Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 609a331..12c1ed3 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -291,7 +291,7 @@
 		DBG(1,"setup_rt_frame: frame->uc = 0x%p\n", &frame->uc);
 		DBG(1,"setup_rt_frame: frame->uc.uc_mcontext = 0x%p\n", &frame->uc.uc_mcontext);
 		err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, in_syscall);
-		/* FIXME: Should probably be converted aswell for the compat case */
+		/* FIXME: Should probably be converted as well for the compat case */
 		err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
 	}