linux-firmware: update to 20260309, enable compressed firmware

srcpkgs/linux-firmware/INSTALL.msg

@@ -0,0 +1,12 @@
+Firmware is now compressed with zstd. Ensure you are running a supported kernel:
+
+- linux5.10>=5.10.251_1
+- linux5.15>=5.15.201_1
+- linux6.1>=6.1.127_1
+- linux6.6>=6.6.68_1
+- linux6.12>=6.12.7_1
+- linux6.18, linux6.19, or any later version
+- rpi-kernel>=6.12.67_1
+- pinephone-kernel>=6.1.7_2
+
+For more information, read: https://voidlinux.org/news/2026/03/firmware-compression.html

srcpkgs/linux-firmware/template

@@ -1,6 +1,6 @@
 # Template file for 'linux-firmware'
 pkgname=linux-firmware
-version=20260221
+version=20260309
 revision=1
 hostmakedepends="rdfind which $(vopt_if compressed zstd)"
 depends="linux-firmware-amd>=${version}_${revision} linux-firmware-network>=${version}_${revision}"
@@ -10,12 +10,12 @@ license="custom:see /usr/share/licenses/linux-firmware"
 homepage="https://www.kernel.org/"
 changelog="https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/log/"
 distfiles="https://gitlab.com/kernel-firmware/linux-firmware/-/archive/${version}/linux-firmware-${version}.tar.gz"
-checksum=b10e4599181c36754a66ed1c97a373b3613430e80c5f35ba51d259120f57165a
+checksum=f9e127a9453e8ceff0e7425aff248ef1939932d636b8797778d9446123aa44ad
 python_version=3
 nostrip=yes
 
 build_options="compressed"
-# build_options_default="compressed"
+build_options_default="compressed"
 desc_option_compressed="compress firmware with zstd"
 
 do_install() {