imx: iomux-v3: Add iomux-mx35.h

Allow usage of the imx-common/iomux-v3.h framework by including pad settings for
the i.MX35. The content of the file is taken from Linux kernel at commit
267dd34, plus the required changes to make it work in U-Boot.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
diff --git a/spl/Makefile b/spl/Makefile
index e4a0946..8b655c4 100644
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -98,7 +98,7 @@
 LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
 endif
 
-ifneq ($(CONFIG_MX23),)
+ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 endif