km: ls102xa: add missing define for PRAM regions

In our designs we reserve PRAM area at the end of the RAM, and in order
this area to be visible and taken into account by the u-boot memory mgmt
CONFIG_PRAM has to be defined.

Signed-off-by: Aleksandar Gerasimovski <aleksandar.gerasimovski@hitachi-powergrids.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/include/configs/km/pg-wcom-ls102xa.h b/include/configs/km/pg-wcom-ls102xa.h
index 35bfa45..1e06a5b 100644
--- a/include/configs/km/pg-wcom-ls102xa.h
+++ b/include/configs/km/pg-wcom-ls102xa.h
@@ -21,6 +21,10 @@
 #define CONFIG_SYS_INIT_RAM_ADDR	OCRAM_BASE_ADDR
 #define CONFIG_SYS_INIT_RAM_SIZE	OCRAM_SIZE
 
+#define CONFIG_PRAM			((CONFIG_KM_PNVRAM + \
+					  CONFIG_KM_PHRAM + \
+					  CONFIG_KM_RESERVED_PRAM) >> 10)
+
 #define CONFIG_SYS_CLK_FREQ		66666666
 /*
  * Take into account default implementation where DDR_FDBK_MULTI is consider as