linux5.15: update to 5.15.28.

srcpkgs/linux5.15/files/arm64-dotconfig

@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/arm64 5.15.22 Kernel Configuration
+# Linux/arm64 5.15.28 Kernel Configuration
 #
 CONFIG_CC_VERSION_TEXT="aarch64-linux-musl-gcc (GCC) 10.2.1 20201203"
 CONFIG_CC_IS_GCC=y
@@ -424,6 +424,7 @@ CONFIG_TRANS_TABLE=y
 # CONFIG_XEN is not set
 CONFIG_FORCE_MAX_ZONEORDER=11
 CONFIG_UNMAP_KERNEL_AT_EL0=y
+CONFIG_MITIGATE_SPECTRE_BRANCH_HISTORY=y
 CONFIG_RODATA_FULL_DEFAULT_ENABLED=y
 # CONFIG_ARM64_SW_TTBR0_PAN is not set
 CONFIG_ARM64_TAGGED_ADDR_ABI=y
@@ -2643,7 +2644,6 @@ CONFIG_OF_KOBJ=y
 CONFIG_OF_DYNAMIC=y
 CONFIG_OF_ADDRESS=y
 CONFIG_OF_IRQ=y
-CONFIG_OF_NET=y
 CONFIG_OF_RESERVED_MEM=y
 CONFIG_OF_RESOLVE=y
 CONFIG_OF_OVERLAY=y

srcpkgs/linux5.15/template

@@ -1,6 +1,6 @@
 # Template file for 'linux5.15'
 pkgname=linux5.15
-version=5.15.26
+version=5.15.28
 revision=1
 wrksrc="linux-${version%.*}"
 short_desc="Linux kernel and modules (${version%.*} series)"
@@ -10,7 +10,7 @@ homepage="https://www.kernel.org"
 distfiles="https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-${version%.*}.tar.xz
  https://cdn.kernel.org/pub/linux/kernel/v5.x/patch-${version}.xz"
 checksum="57b2cf6991910e3b67a1b3490022e8a0674b6965c74c12da1e99d138d1991ee8
- 5ceba1332b26e735342a76dd85a5b1b53cc4873e202e58b99a25da0cf6e20992"
+ 1019709aa85b87904e901aca141f8ade27b3719333be8a3e9d3b2cb0e05ad345"
 skip_extraction="patch-${version}.xz"
 python_version=3