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_fint.c b/arch/mips/math-emu/sp_fint.c
index 74619e7..9574d25 100644
--- a/arch/mips/math-emu/sp_fint.c
+++ b/arch/mips/math-emu/sp_fint.c
@@ -50,18 +50,18 @@
 	} else {
 		xm = x;
 	}
-	xe = SP_MBITS + 3;
+	xe = SP_FBITS + 3;
 
-	if (xm >> (SP_MBITS + 1 + 3)) {
+	if (xm >> (SP_FBITS + 1 + 3)) {
 		/* shunt out overflow bits
 		 */
-		while (xm >> (SP_MBITS + 1 + 3)) {
+		while (xm >> (SP_FBITS + 1 + 3)) {
 			SPXSRSX1();
 		}
 	} else {
 		/* normalize in grs extended single precision
 		 */
-		while ((xm >> (SP_MBITS + 3)) == 0) {
+		while ((xm >> (SP_FBITS + 3)) == 0) {
 			xm <<= 1;
 			xe--;
 		}