uboot-bcm4908: update to the latest generic

0625aad74d arm: dts: add ASUS GT-AX6000
6fb1cb624d arm: dts: add Netgear RAXE450 / RAXE550

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

package/boot/uboot-bcm4908/Makefile

@@ -7,9 +7,9 @@ PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://git.openwrt.org/project/bcm63xx/u-boot.git
-PKG_SOURCE_DATE:=2022-03-03
-PKG_SOURCE_VERSION:=92e9eca819c9c898d9d2010e1a217726c42c8c47
-PKG_MIRROR_HASH:=11c37fe4c18d55e799153600d1cfd8ee9ca7da8326d0024c1d825f4a327c5f0d
+PKG_SOURCE_DATE:=2022-03-15
+PKG_SOURCE_VERSION:=0625aad74d1f5b6f9c068955ad3fd7f6df635e50
+PKG_MIRROR_HASH:=0602e0e4f101ead206940eccca832b75191905c1e81290340a89b07dbee7a6ce
 
 include $(INCLUDE_DIR)/u-boot.mk
 include $(INCLUDE_DIR)/package.mk