qcom: qmi: Support multi-platform

Upstream prefers existing drivers be converted to support multiplatform
kernels.  This requires drivers to be located in generic functionality
directories instead of specific mach directories.

Move QMI Interface driver to to the drivers/soc/qcom location.

Change-Id: Ib36d8857e5839ac5ab802646b97b010a6b7d5d23
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>