Blackfin: comment spelling s/divsor/divisor/

Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

arch/blackfin/lib/udivsi3.S

@@ -154,7 +154,7 @@ ENTRY(___udivsi3)
        CC = R7 < 0;               /* Check quotient(AQ) */
                                   /* If AQ==0, we'll sub divisor */
        IF CC R5 = R1;             /* and if AQ==1, we'll add it. */
-       R3 = R3 + R5;              /* Add/sub divsor to partial remainder */
+       R3 = R3 + R5;              /* Add/sub divisor to partial remainder */
        R7 = R3 ^ R1;              /* Generate next quotient bit */
 
        R5 = R7 >> 31;             /* Get AQ */