rpi4: fix armv7 build

target/arm/Makefile

@@ -210,6 +210,9 @@ endif
 ifeq ($(ADK_TARGET_SYSTEM_ORANGE_PI0),y)
 VENDOR:=allwinner/
 endif
+ifeq ($(ADK_TARGET_BOARD_BCM28XX),y)
+VENDOR:=broadcom/
+endif
 endif
 
 dtb-install:

target/arm/kernel/raspberry-pi4

@@ -32,10 +32,3 @@ CONFIG_GPIO_RASPBERRYPI_EXP=y
 CONFIG_GPIO_BCM_VIRT=y
 CONFIG_GPIO_PCA953X_IRQ=y
 CONFIG_GPIO_STMPE=y
-CONFIG_REGULATOR=y
-CONFIG_REGULATOR_FIXED_VOLTAGE=y
-CONFIG_REGULATOR_GPIO=y
-CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=y
-CONFIG_LEDS_GPIO=y
-CONFIG_LEDS_PWM=y

target/linux/Config.in.kernelcfg

@@ -31,7 +31,7 @@ config ADK_TARGET_LINUX_KERNEL_DEFCONFIG
 	default "bcmrpi_defconfig" if ADK_TARGET_SYSTEM_RASPBERRY_PI0
 	default "bcm2709_defconfig" if ADK_TARGET_SYSTEM_RASPBERRY_PI2
 	default "bcm2709_defconfig" if ADK_TARGET_SYSTEM_RASPBERRY_PI3
-	default "bcm2711_defconfig" if ADK_TARGET_SYSTEM_RASPBERRY_PI4
+	default "bcm2709_defconfig" if ADK_TARGET_SYSTEM_RASPBERRY_PI4
 	default "bcmrpi3_defconfig" if ADK_TARGET_SYSTEM_RASPBERRY_PI3_64
 	default "bcm2711_defconfig" if ADK_TARGET_SYSTEM_RASPBERRY_PI4_64
 	default "bcm2712_defconfig" if ADK_TARGET_SYSTEM_RASPBERRY_PI5