linux4.9: various tweaks.

- Reenable CONFIG_MODIFY_LDT_SYSCALL=y to build i686 SBCL and Go 1.4.
- Include arm64 config that boots in qemu-system-aarch64 and hopefully on rpi3.

srcpkgs/linux4.9/files/x86_64-dotconfig

@@ -1,6 +1,6 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86 4.9.0 Kernel Configuration
+# Linux/x86_64 4.9.3 Kernel Configuration
 #
 CONFIG_64BIT=y
 CONFIG_X86_64=y
@@ -481,6 +481,7 @@ CONFIG_PERF_EVENTS_INTEL_RAPL=m
 CONFIG_PERF_EVENTS_INTEL_CSTATE=m
 CONFIG_PERF_EVENTS_AMD_POWER=m
 # CONFIG_VM86 is not set
+# CONFIG_X86_16BIT is not set
 CONFIG_X86_VSYSCALL_EMULATION=y
 CONFIG_I8K=m
 CONFIG_MICROCODE=y
@@ -606,7 +607,7 @@ CONFIG_HOTPLUG_CPU=y
 # CONFIG_LEGACY_VSYSCALL_EMULATE is not set
 CONFIG_LEGACY_VSYSCALL_NONE=y
 # CONFIG_CMDLINE_BOOL is not set
-# CONFIG_MODIFY_LDT_SYSCALL is not set
+CONFIG_MODIFY_LDT_SYSCALL=y
 CONFIG_HAVE_LIVEPATCH=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y

srcpkgs/linux4.9/template

@@ -1,7 +1,7 @@
 # Template file for 'linux4.9'
 pkgname=linux4.9
 version=4.9.3
-revision=1
+revision=2
 patch_args="-Np1"
 wrksrc="linux-${version}"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"