src: Fix up ##-commented SPDX headers

Delete leading empty comment lines.

Change-Id: If1c5f568af3290c329d22dfc054d10d01c079065
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41833
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/vendorcode/intel/Kconfig

@@ -1,6 +1,3 @@
-##
-##
-##
 ## SPDX-License-Identifier: GPL-2.0-only
 
 config UEFI_2_4_BINDING

src/vendorcode/intel/Makefile.inc

@@ -1,6 +1,3 @@
-##
-##
-##
 ## SPDX-License-Identifier: GPL-2.0-only
 
 ifeq ($(CONFIG_UEFI_2_4_BINDING),y)