powerpc/85xx: kexec for SMP 85xx BookE systems

Adds support for kexec on 85xx machines for the BookE platform.
Including support for SMP machines

Based off work from Maxim Uvarov <muvarov@mvista.com>
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 4fa4203..0e3fd3a 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -352,7 +352,7 @@
 
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
-	depends on (PPC_BOOK3S || (FSL_BOOKE && !SMP)) && EXPERIMENTAL
+	depends on (PPC_BOOK3S || FSL_BOOKE) && EXPERIMENTAL
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot
@@ -369,8 +369,8 @@
 
 config CRASH_DUMP
 	bool "Build a kdump crash kernel"
-	depends on PPC64 || 6xx
-	select RELOCATABLE if PPC64
+	depends on PPC64 || 6xx || FSL_BOOKE
+	select RELOCATABLE if PPC64 || FSL_BOOKE
 	help
 	  Build a kernel suitable for use as a kdump capture kernel.
 	  The same kernel binary can be used as production kernel and dump
@@ -898,7 +898,7 @@
 config KERNEL_START
 	hex "Virtual address of kernel base" if KERNEL_START_BOOL
 	default PAGE_OFFSET if PAGE_OFFSET_BOOL
-	default "0xc2000000" if CRASH_DUMP
+	default "0xc2000000" if CRASH_DUMP && !RELOCATABLE
 	default "0xc0000000"
 
 config PHYSICAL_START_BOOL
@@ -911,7 +911,7 @@
 
 config PHYSICAL_START
 	hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL
-	default "0x02000000" if PPC_STD_MMU && CRASH_DUMP
+	default "0x02000000" if PPC_STD_MMU && CRASH_DUMP && !RELOCATABLE
 	default "0x00000000"
 
 config PHYSICAL_ALIGN