ARM: multi_v7_defconfig: Add support for Airoha EN7523 SoC

This enables basic bootup support for the Airoha EN7523 SoC.
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20220130145116.88406-5-nbd@nbd.nameSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm/configs/multi_v7_defconfig

@@ -32,6 +32,7 @@ CONFIG_MACH_BERLIN_BG2=y
 CONFIG_MACH_BERLIN_BG2CD=y
 CONFIG_MACH_BERLIN_BG2Q=y
 CONFIG_ARCH_DIGICOLOR=y
+CONFIG_ARCH_AIROHA=y
 CONFIG_ARCH_EXYNOS=y
 CONFIG_ARCH_HIGHBANK=y
 CONFIG_ARCH_HISI=y