davinci: Move PINMUX defines to SoC files

Different SoC have different numbers of pinmux registers and other
resources that overlap with each other.  To clean up the code and
eliminate defines that overlap with each other, move the PINMUX
defines to the SoC specific files.

Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 3844fc3..4ab5f07 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -351,6 +351,9 @@
        .resource	= dm644x_emac_resources,
 };
 
+#define PINMUX0		0x00
+#define PINMUX1		0x04
+
 /*
  * Device specific mux setup
  *