platform: arm64: EC_LENOVO_YOGA_C630 should depend on ARCH_QCOM

The Lenovo Yoga C630 Embedded Controller is only present on the Qualcomm
Snapdragon-based Lenovo Yoga C630 laptop.  Hence add a dependency on
ARCH_QCOM, to prevent asking the user about this driver when configuring
a kernel without Qualcomm SoC support.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/0e4c9ffdc8a5caffcda2afb8d5480900f7adebf6.1720707932.git.geert+renesas@glider.be


Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>