Code cleanup: fix old style assignment ambiguities like "=-" etc.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/common/lcd.c b/common/lcd.c
index 04ef4e3..eec1f53 100644
--- a/common/lcd.c
+++ b/common/lcd.c
@@ -728,7 +728,7 @@
 		WATCHDOG_RESET();
 		for (j = 0; j < width ; j++)
 #if defined(CONFIG_PXA250)
-			*(fb++)=*(bmap++);
+			*(fb++) = *(bmap++);
 #elif defined(CONFIG_MPC823) || defined(CONFIG_MCC200)
 			*(fb++)=255-*(bmap++);
 #endif