The EDKII Core CI reports spelling error for XIPFLAGS. The XIPFLAGS are typically used to specify XIP options to the compiler. e.g. GCC:*_*_*_CC_XIPFLAGS = -fno-jump-tables Add 'XIPFLAGS' to "words" section in cspell.base.yaml file to avoid spelling check error. Signed-off-by: Sami Mujawar <sami.mujawar@arm.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com> Acked-by: Laszlo Ersek <lersek@redhat.com>