msm: enable kernel config options needed for DMM on 8960

Turn on the kernel config options needed for DMM on 8960
(and set the SPARSEMEM section size properly for 8960).

Signed-off-by: Larry Bassel <lbassel@codeaurora.org>
diff --git a/arch/arm/mach-msm/include/mach/memory.h b/arch/arm/mach-msm/include/mach/memory.h
index 3cf193e..9f4788a 100644
--- a/arch/arm/mach-msm/include/mach/memory.h
+++ b/arch/arm/mach-msm/include/mach/memory.h
@@ -21,7 +21,8 @@
 #define PLAT_PHYS_OFFSET UL(CONFIG_PHYS_OFFSET)
 
 #define MAX_PHYSMEM_BITS 32
-#define SECTION_SIZE_BITS 28
+#define SECTION_SIZE_BITS 29
+
 /* Maximum number of Memory Regions */
 #define MAX_NR_REGIONS 4