target: qm215: Add SPi panel info support qm215 device

Add changes to:
1. add st7789v2 SPI panel cmd info.
2. enable regulator for SPI panel.

Change-Id: I20df7c24747399a54042cdd1e3bade5e49fdb03e
Signed-off-by: Raghavendra Ambadas <rambad@codeaurora.org>
2 files changed