src/mainboard to src/security: Fix spelling errors

These issues were found and fixed by codespell, a useful tool for
finding spelling errors.

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: Ie34003a9fdfe9f3b1b8ec0789aeca8b9435c9c79
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58081
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/mainboard/intel/dcp847ske/devicetree.cb b/src/mainboard/intel/dcp847ske/devicetree.cb
index 389b44e..f7821d0 100644
--- a/src/mainboard/intel/dcp847ske/devicetree.cb
+++ b/src/mainboard/intel/dcp847ske/devicetree.cb
@@ -81,7 +81,7 @@
 					device pnp 4e.609 off end	# GPIO6
 					device pnp 4e.709 off end	# GPIO7
 					device pnp 4e.a on end		# ACPI
-					device pnp 4e.b on		# HWM, front pannel LED
+					device pnp 4e.b on		# HWM, front panel LED
 						io 0x60 = 0xa30
 						io 0x62 = 0 # unused
 					end