[openwrt/openwrt] firmware: Add support for Aeonsemi AS21xxx firmware

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/4f34c4c45331768d95e9babe4bc934a682372b4f

commit 4f34c4c45331768d95e9babe4bc934a682372b4f
Author: Christian Marangi <ansuelsmth at gmail.com>
AuthorDate: Sat Jul 5 12:51:49 2025 +0200

    firmware: Add support for Aeonsemi AS21xxx firmware
    
    Add support for Aeonsemi AS21xxx firmware blob. Firmware has been
    submitted and accepted to linux-firmware. Current version is 1.8.2.
    
    Link: https://github.com/openwrt/openwrt/pull/19816
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 package/firmware/linux-firmware/aeonsemi.mk | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/package/firmware/linux-firmware/aeonsemi.mk b/package/firmware/linux-firmware/aeonsemi.mk
new file mode 100644
index 0000000000..d2b4e50c5f
--- /dev/null
+++ b/package/firmware/linux-firmware/aeonsemi.mk
@@ -0,0 +1,9 @@
+Package/aeonsemi-as21xxx-firmware = $(call Package/firmware-default,Aeonsemi AS21xxx Ethernet PHY firmware,,LICENSE.aeonsemi)
+define Package/aeonsemi-as21xxx-firmware/install
+	$(INSTALL_DIR) $(1)/lib/firmware/aeonsemi
+	$(CP) \
+		$(PKG_BUILD_DIR)/aeonsemi/as21x1x_fw.bin \
+		$(1)/lib/firmware
+endef
+
+$(eval $(call BuildPackage,aeonsemi-as21xxx-firmware))