gnu: Add linux-libre 6.1.

* gnu/packages/linux.scm (linux-libre-6.1-version, linux-libre-6.1-gnu-revision,
deblob-scripts-6.1, linux-libre-6.1-source, linux-libre-headers-6.1,
linux-libre-6.1): New variables.
* gnu/packages/aux-files/linux-libre/6.1-arm.conf,
gnu/packages/aux-files/linux-libre/6.1-arm64.conf,
gnu/packages/aux-files/linux-libre/6.1-i686.conf,
gnu/packages/aux-files/linux-libre/6.1-x86_64.conf: New files.
* Makefile.am (AUX_FILES): Add them.

Makefile.am

@@ -400,6 +400,10 @@ AUX_FILES =						\
   gnu/packages/aux-files/chromium/master-preferences.json		\
   gnu/packages/aux-files/emacs/guix-emacs.el		\
   gnu/packages/aux-files/guix.vim			\
+  gnu/packages/aux-files/linux-libre/6.1-arm.conf	\
+  gnu/packages/aux-files/linux-libre/6.1-arm64.conf	\
+  gnu/packages/aux-files/linux-libre/6.1-i686.conf	\
+  gnu/packages/aux-files/linux-libre/6.1-x86_64.conf	\
   gnu/packages/aux-files/linux-libre/6.0-arm.conf	\
   gnu/packages/aux-files/linux-libre/6.0-arm64.conf	\
   gnu/packages/aux-files/linux-libre/6.0-i686.conf	\

gnu/packages/linux.scm

@@ -480,6 +480,21 @@ (define (%upstream-linux-source version hash)
 ;; The current "stable" kernels. That is, the most recently released major
 ;; versions that are still supported upstream.
 
+(define-public linux-libre-6.1-version "6.1.2")
+(define-public linux-libre-6.1-gnu-revision "gnu")
+(define deblob-scripts-6.1
+  (linux-libre-deblob-scripts
+   linux-libre-6.1-version
+   linux-libre-6.1-gnu-revision
+   (base32 "0p1cg5khpp8xkfaqy0cnp1m273z3xiz0m97rkrkggz9gr2klrjym")
+   (base32 "0va28vs359r0rfmzh8pw58055kgd8sb62gi78vrg9p8wmj4s87v6")))
+(define-public linux-libre-6.1-pristine-source
+  (let ((version linux-libre-6.1-version)
+        (hash (base32 "1bni72q0jjg39vqckcif57kh7d1x4k4jir5a11pz9clryp2g6hgf")))
+   (make-linux-libre-source version
+                            (%upstream-linux-source version hash)
+                            deblob-scripts-6.1)))
+
 (define-public linux-libre-6.0-version "6.0.16")
 (define-public linux-libre-6.0-gnu-revision "gnu")
 (define deblob-scripts-6.0
@@ -616,6 +631,12 @@ (define (source-with-patches source patches)
     (patches (append (origin-patches source)
                      patches))))
 
+(define-public linux-libre-6.1-source
+  (source-with-patches linux-libre-6.1-pristine-source
+                       (list %boot-logo-patch
+                             %linux-libre-arm-export-__sync_icache_dcache-patch
+                             (search-patch "linux-libre-infodocs-target.patch"))))
+
 (define-public linux-libre-6.0-source
   (source-with-patches linux-libre-6.0-pristine-source
                        (list %boot-logo-patch
@@ -731,6 +752,11 @@ (define (make-linux-libre-headers* version gnu-revision source)
     (description "Headers of the Linux-Libre kernel.")
     (license license:gpl2)))
 
+(define-public linux-libre-headers-6.1
+  (make-linux-libre-headers* linux-libre-6.1-version
+                             linux-libre-6.1-gnu-revision
+                             linux-libre-6.1-source))
+
 (define-public linux-libre-headers-6.0
   (make-linux-libre-headers* linux-libre-6.0-version
                              linux-libre-6.0-gnu-revision
@@ -1071,6 +1097,14 @@ (define* (make-linux-libre* version gnu-revision source supported-systems
 ;;; Generic kernel packages.
 ;;;
 
+(define-public linux-libre-6.1
+  (make-linux-libre* linux-libre-6.1-version
+                     linux-libre-6.1-gnu-revision
+                     linux-libre-6.1-source
+                     '("x86_64-linux" "i686-linux" "armhf-linux"
+                       "aarch64-linux" "powerpc64le-linux" "riscv64-linux")
+                     #:configuration-file kernel-config))
+
 (define-public linux-libre-6.0
   (make-linux-libre* linux-libre-6.0-version
                      linux-libre-6.0-gnu-revision