There are several functions in ntoskernel.* with inline x86 assembler.
Thus enable ndiswrapper for X86 only, especially when it gets enabled by
default in Kconfig.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Tim Gardner <tim.gardner@canonical.com> Signed-off-by: Leann Ogasawara <leann.ogasawara@canonical.com>