mesa: update and fix tls patch

pkgs/mesa/alpine-tls.patch

@@ -1,15 +1,3 @@
---- a/meson.build
-+++ b/meson.build
-@@ -448,7 +448,8 @@
- 
- # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
- use_elf_tls = false
--if not ['windows', 'freebsd', 'openbsd', 'haiku'].contains(host_machine.system()) and (not with_platform_android or get_option('platform-sdk-version') >= 29)
-+with_use_elf_tls = get_option('use-elf-tls')
-+if with_use_elf_tls and not ['windows', 'freebsd'].contains(host_machine.system()) and (not with_platform_android or get_option('platform-sdk-version') >= 29)
-   pre_args += '-DUSE_ELF_TLS'
-   use_elf_tls = true
- endif
 --- a/meson_options.txt
 +++ b/meson_options.txt
 @@ -464,3 +464,9 @@
@@ -22,3 +10,15 @@
 +  value : false,
 +  description : 'Build support for initial-exec TLS model'
 +)
+--- a/meson.build
++++ b/meson.build
+@@ -447,7 +447,8 @@
+ 
+ # Android uses emutls for versions <= P/28. For USE_ELF_TLS we need ELF TLS.
+ use_elf_tls = false
+-if (not ['freebsd', 'openbsd', 'haiku'].contains(host_machine.system()) and
++with_use_elf_tls = get_option('use-elf-tls')
++if with_use_elf_tls and (not ['freebsd', 'openbsd', 'haiku'].contains(host_machine.system()) and
+     (not with_platform_android or get_option('platform-sdk-version') >= 29) and
+     (not with_platform_windows or not with_shared_glapi))
+   pre_args += '-DUSE_ELF_TLS'

pkgs/mesa/build.sh

@@ -1,5 +1,5 @@
 pkgname=mesa
-pkgver=21.1.0-rc3
+pkgver=21.1.1
 deps="musl:wayland:wayland-protocols:llvm:zlib:expat:libffi:libdrm:python-mako"
 ext=dev
 
@@ -20,8 +20,8 @@ build() {
 	meson .. \
 		--prefix=/usr \
 		-Dplatforms=wayland \
-		-Ddri3=true \
 		-Ddri-drivers=i915,i965 \
+		-Ddri3=true \
 		-Dgallium-drivers=iris \
 		-Dgallium-vdpau=false \
 		-Dgallium-xvmc=false \
@@ -46,7 +46,8 @@ build() {
 		-Dvalgrind=false \
 		-Dlibunwind=false \
 		-Dlmsensors=false \
-		-Dbuild-tests=false
+		-Dbuild-tests=false \
+		-Duse-elf-tls=false
 
 	samu