global: Migrate CONFIG_KSNET_SERDES_LANES_PER_SGMII to CFG

Perform a simple rename of CONFIG_KSNET_SERDES_LANES_PER_SGMII to CFG_KSNET_SERDES_LANES_PER_SGMII

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h
index c21fabc..cb4ea39 100644
--- a/include/configs/ti_armv7_keystone2.h
+++ b/include/configs/ti_armv7_keystone2.h
@@ -51,7 +51,7 @@
 #define CFG_KSNET_NETCP_BASE			KS2_NETCP_BASE
 #define CONFIG_KSNET_SERDES_SGMII_BASE		KS2_SGMII_SERDES_BASE
 #define CONFIG_KSNET_SERDES_SGMII2_BASE		KS2_SGMII_SERDES2_BASE
-#define CONFIG_KSNET_SERDES_LANES_PER_SGMII	KS2_LANES_PER_SGMII_SERDES
+#define CFG_KSNET_SERDES_LANES_PER_SGMII	KS2_LANES_PER_SGMII_SERDES
 
 /* EEPROM definitions */