MIPS: Fix a typo: s/preset/present/ in r2-to-r6 emulation error message

This is a user-visible message, so we want it to be spelled correctly.

Fixes: 5f9f41c474be ("MIPS: kernel: Prepare the JR instruction for emulation on MIPS R6")
Signed-off-by: Maciej W. Rozycki <[e-mail]>
Cc: James Hogan <[e-mail]>
Cc: [e-mail]
Cc: [e-mail] # 3.19+
Patchwork: https://patchwork.linux-mips.org/patch/16400/
Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/kernel/branch.c

···
 	force_sig(SIGILL, current);
 	return -EFAULT;
 sigill_r2r6:
-	pr_info("%s: R2 branch but r2-to-r6 emulator is not preset - sending SIGILL.\n",
+	pr_info("%s: R2 branch but r2-to-r6 emulator is not present - sending SIGILL.\n",
 		current->comm);
 	force_sig(SIGILL, current);
 	return -EFAULT;