APM821xx: Add CPU support

APM821XX is a new line of SoCs which are derivatives of
PPC44X family of processors. This patch adds support of CPU, cache,
tlb, 32k ocm, bootstraps, PLB and AHB bus.

Signed-off-by: Tirumala R Marri <tmarri@apm.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 84a1e2e..9cafe85 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -916,6 +916,7 @@
 #define PVR_460SX_RA_V1 0x13541801 /* 460SX rev A Variant 1 Security disabled */
 #define PVR_460GX_RA    0x13541802 /* 460GX rev A                   */
 #define PVR_460GX_RA_V1 0x13541803 /* 460GX rev A Variant 1 Security disabled */
+#define PVR_APM821XX_RA 0x12C41C80 /* APM821XX rev A */
 #define PVR_601		0x00010000
 #define PVR_602		0x00050000
 #define PVR_603		0x00030000