SMC91111: Clean up SMC_inx macros on xsengine and xaeniax

This patch fixes the following warnings:

Configuring for xaeniax board...
smc91111_eeprom.c: In function 'print_macaddr':
smc91111_eeprom.c:278: warning: suggest parentheses around + or - in operand of &
smc91111_eeprom.c:281: warning: suggest parentheses around + or - in operand of &
...
Configuring for xsengine board...
smc91111_eeprom.c: In function 'print_macaddr':
smc91111_eeprom.c:278: warning: suggest parentheses around + or - inside shift
smc91111_eeprom.c:281: warning: suggest parentheses around + or - inside shift

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

drivers/net/smc91111.h

@@ -81,10 +81,10 @@ struct smc91111_priv{
 #ifdef CONFIG_PXA250
 
 #ifdef CONFIG_XSENGINE
-#define	SMC_inl(a,r)	(*((volatile dword *)((a)->iobase+(r<<1))))
-#define	SMC_inw(a,r)	(*((volatile word *)((a)->iobase+(r<<1))))
+#define	SMC_inl(a,r)	(*((volatile dword *)((a)->iobase+((r)<<1))))
+#define	SMC_inw(a,r)	(*((volatile word *)((a)->iobase+((r)<<1))))
 #define SMC_inb(a,p)  ({ \
-	unsigned int __p = (unsigned int)((a)->iobase + (p<<1)); \
+	unsigned int __p = (unsigned int)((a)->iobase + ((p)<<1)); \
 	unsigned int __v = *(volatile unsigned short *)((__p) & ~2); \
 	if (__p & 2) __v >>= 8; \
 	else __v &= 0xff; \
@@ -99,7 +99,7 @@ struct smc91111_priv{
 	__v; })
 #define SMC_inb(a,p)	({ \
 	unsigned int ___v = SMC_inw((a),(p) & ~1); \
-	if (p & 1) ___v >>= 8; \
+	if ((p) & 1) ___v >>= 8; \
 	else ___v &= 0xff; \
 	___v; })
 #else