MIPS: math-emu: Replace DP_MBITS with DP_FBITS and SP_MBITS with SP_FBITS.

Both were defined as 23 rsp. 52 though the mentissa is actually a bit more
than the fraction.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/math-emu/sp_add.c b/arch/mips/math-emu/sp_add.c
index e67f11a..d107bce 100644
--- a/arch/mips/math-emu/sp_add.c
+++ b/arch/mips/math-emu/sp_add.c
@@ -148,7 +148,7 @@
 		xe = xe;
 		xs = xs;
 
-		if (xm >> (SP_MBITS + 1 + 3)) { /* carry out */
+		if (xm >> (SP_FBITS + 1 + 3)) { /* carry out */
 			SPXSRSX1();
 		}
 	} else {
@@ -166,7 +166,7 @@
 					      IEEE754_RD);
 
 		/* normalize in extended single precision */
-		while ((xm >> (SP_MBITS + 3)) == 0) {
+		while ((xm >> (SP_FBITS + 3)) == 0) {
 			xm <<= 1;
 			xe--;
 		}