arm64: alpine: select the Alpine MSI controller driver

Select the Alpine MSI controller driver when using an Alpine platform.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm64/Kconfig.platforms

@@ -2,6 +2,7 @@ menu "Platform selection"
 
 config ARCH_ALPINE
 	bool "Annapurna Labs Alpine platform"
+	select ALPINE_MSI
 	help
 	  This enables support for the Annapurna Labs Alpine
 	  Soc family.