omap: mux: Add data for 2420

Add data for 2420. Big thanks to Paul Walmsley <paul@pwsan.com>
for generating usable mux data out of TRMs.

Cc: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 3b38418..911781c 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -36,6 +36,7 @@
 AFLAGS_sram34xx.o			:=-Wa,-march=armv7-a
 
 # Pin multiplexing
+obj-$(CONFIG_ARCH_OMAP2420)		+= mux2420.o
 obj-$(CONFIG_ARCH_OMAP3)		+= mux34xx.o
 
 # SMS/SDRC