ARM i.MX irq: Compile avic irq code only on SoCs that need it

This patch adds a Kconfig option for the avic irq controller
and lets the SoCs that need it select this option.
Also, as we have two irq controllers for i.MX, irq.c is not
appropriate anymore, so rename it to avic.c

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index a682c03a1f94..165e7221c500 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -15,6 +15,7 @@ config SOC_IMX31
         select IMX_HAVE_PLATFORM_MXC_RNGA
         select ARCH_MXC_AUDMUX_V2
         select ARCH_MX31
+        select MXC_AVIC
 
 config SOC_IMX35
         bool
@@ -22,6 +23,7 @@ config SOC_IMX35
         select ARCH_MXC_AUDMUX_V2
         select HAVE_EPIT
         select ARCH_MX35
+        select MXC_AVIC
 
 comment "MX3 platforms:"