ARM: dts: msm: Disable SD card hot-plug support on qsc405 platforms

Disable SD card hot-plug support on all qsc405 platforms except sku2.

Change-Id: Ibb4c8b55748491eeb4e9d13a17b720874efd6951
Signed-off-by: Ram Prakash Gupta <rampraka@codeaurora.org>
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>