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/ppc4xx-ebc.h b/arch/powerpc/include/asm/ppc4xx-ebc.h
index 9c17e46..75af130 100644
--- a/arch/powerpc/include/asm/ppc4xx-ebc.h
+++ b/arch/powerpc/include/asm/ppc4xx-ebc.h
@@ -69,7 +69,8 @@
 #define EBC_NUM_BANKS	6
 #endif
 
-#if defined(CONFIG_440SP) || defined(CONFIG_440SPE)
+#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_APM821XX)
 #define EBC_NUM_BANKS	3
 #endif