CRISv32: add irq domains support

Add support for IRQ domains to the CRISv32 interrupt controller.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 319660e..c345618 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -53,6 +53,7 @@
 	select OLD_SIGSUSPEND
 	select OLD_SIGACTION
 	select ARCH_REQUIRE_GPIOLIB
+	select IRQ_DOMAIN if ETRAX_ARCH_V32
 
 config HZ
 	int