global: Migrate CONFIG_ENV_SROM_BANK to CFG

Perform a simple rename of CONFIG_ENV_SROM_BANK to CFG_ENV_SROM_BANK

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/smdkc100.h b/include/configs/smdkc100.h
index ffa1a1f..ccb7ec3 100644
--- a/include/configs/smdkc100.h
+++ b/include/configs/smdkc100.h
@@ -94,7 +94,7 @@
  * Ethernet Contoller driver
  */
 #ifdef CONFIG_CMD_NET
-#define CONFIG_ENV_SROM_BANK   3       /* Select SROM Bank-3 for Ethernet*/
+#define CFG_ENV_SROM_BANK   3       /* Select SROM Bank-3 for Ethernet*/
 #endif /* CONFIG_CMD_NET */
 
 #endif	/* __CONFIG_H */