[msm7630]: Add code to increase the system partition size to 78MB.

Add code to increase the system partition from 76MB to 78MB.
Disable keypad_init for nandwrite for 7x30.
diff --git a/project/msm7630_surf_nandwrite.mk b/project/msm7630_surf_nandwrite.mk
index bf9e5e1..2efe688 100644
--- a/project/msm7630_surf_nandwrite.mk
+++ b/project/msm7630_surf_nandwrite.mk
@@ -7,6 +7,7 @@
 MODULES += app/nandwrite
 
 DEFINES += WITH_DEBUG_JTAG=1
+DEFINES += ENABLE_NANDWRITE=1
 #DEFINES += WITH_DEBUG_DCC=1
 #DEFINES += WITH_DEBUG_UART=1
 #DEFINES += WITH_DEBUG_FBCON=1