ARM: pxa: support pxa95x

The core of PXA955 is PJ4. Add new PJ4 support. And add new macro
CONFIG_PXA95x.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 4414a01..ede1763 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -382,6 +382,12 @@
 	  for which the CPU ID is equal to the ARM926 ID.
 	  Relevant for Feroceon-1850 and early Feroceon-2850.
 
+# Marvell PJ4
+config CPU_PJ4
+	bool
+	select CPU_V7
+	select ARM_THUMBEE
+
 # ARMv6
 config CPU_V6
 	bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX || ARCH_DOVE