global: Migrate CONFIG_PL011_CLOCK to CFG

Perform a simple rename of CONFIG_PL011_CLOCK to CFG_PL011_CLOCK

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/lx2160a_common.h b/include/configs/lx2160a_common.h
index c1a98fd..f8a20ea 100644
--- a/include/configs/lx2160a_common.h
+++ b/include/configs/lx2160a_common.h
@@ -39,7 +39,7 @@
 
 
 /* Serial Port */
-#define CONFIG_PL011_CLOCK		(get_bus_freq(0) / 4)
+#define CFG_PL011_CLOCK		(get_bus_freq(0) / 4)
 #define CFG_SYS_SERIAL0		0x21c0000
 #define CFG_SYS_SERIAL1		0x21d0000
 #define CFG_SYS_SERIAL2		0x21e0000