SPEAr : Support added for SPEAr320 board

SPEAr320 SoC support contains basic spear320 support along with the
usage of following drivers
- serial driver(UART)
- i2c driver
- smi driver
- nand driver(FSMC)
- usbd driver
- emi driver(cfi support)

Signed-off-by: Vipin <vipin.kumar@st.com>
diff --git a/Makefile b/Makefile
index 0cb4b05..0f60925 100644
--- a/Makefile
+++ b/Makefile
@@ -3037,7 +3037,8 @@
 	@$(MKCONFIG) $(@:_config=) arm arm920t smdk2410 samsung s3c24x0
 
 spear300_config \
-spear310_config :	unconfig
+spear310_config \
+spear320_config :	unconfig
 	@$(MKCONFIG) -n $@ -t $(@:_config=) spear3xx arm arm926ejs $(@:_config=) spear spear
 
 spear600_config :	unconfig