Fix typos

Change-Id: I20745d5f30f9577622e27abf2f45220f026f65ac
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/28206
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/atapromise.c b/atapromise.c
index ca63df7..ab34a1e 100644
--- a/atapromise.c
+++ b/atapromise.c
@@ -144,7 +144,7 @@
 
 	msg_pwarn("Do not use this device as a generic programmer. It will leave anything outside\n"
 		  "the first %zu kB of the flash chip in an undefined state. It works fine for the\n"
-		  "purpose of updating the firmware of this device (padding may neccessary).\n",
+		  "purpose of updating the firmware of this device (padding may necessary).\n",
 		  rom_size / 1024);
 
 	return 0;