fix spelling of 'functions' in 2 places (was 'funtcions')

Signed-off-by: Simon Goldschmidt <sgoldschmidt@de.pepperl-fuchs.com>
diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c
index 0758448..862a71d 100644
--- a/arch/sandbox/cpu/state.c
+++ b/arch/sandbox/cpu/state.c
@@ -153,7 +153,7 @@
 			return ret;
 	}
 
-	/* Call all the state read funtcions */
+	/* Call all the state read functions */
 	got_err = false;
 	blob = state->state_fdt;
 	io = ll_entry_start(struct sandbox_state_io, state_io);