ARM: efm32: allow uncompress debug output

efm32 has no mach/uncompress.h, but we can trivially use
the fallback to the ll_debug code by just allowing this
option in Kconfig.

Found during randconfig testing.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Uwe Kleine-König <kernel@pengutronix.de>

arch/arm/Kconfig.debug

@@ -1162,7 +1162,7 @@ config DEBUG_UNCOMPRESS
 config UNCOMPRESS_INCLUDE
 	string
 	default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
-					ARCH_EXYNOS
+					ARCH_EXYNOS || ARCH_EFM32
 	default "mach/uncompress.h"
 
 config EARLY_PRINTK