nvidiafb: Fixed mirrored characters in big endian machines

nvidiafb_imageblit converts the bitdata stream from big_endian to little endian. This produces mirrored characters when machine is big_endian. Do not endian convert on big endian machines.

---
 nv_local.h |    4 ++++
 1 files changed, 4 insertions(+)

@@ -95,6 +95,7 @@
 
 #define READ_GET(par) (NV_RD32(&(par)->FIFO[0x0011], 0) >> 2)
 
+#ifdef __LITTLE_ENDIAN
 #define reverse_order(l)        \
 do {                            \
 	u8 *a = (u8 *)(l);      \

@@ -103,5 +104,8 @@ do {                            \
 	*a = byte_rev[*a], a++; \
 	*a = byte_rev[*a];      \
 } while(0)
+#else
+#define reverse_order(l) 
+#endif                          /* __LITTLE_ENDIAN */
 
 #endif				/* __NV_LOCAL_H__ */

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