target: 8952: Fix SPI code compatibility with non-spi targets

Add DISPLAY_TYPE_SPI_SUPPORT flag which can be used to avoid
compilation error in targets which doesn't use SPI display.

Signed-off-by: Althaf Neelanchirayil <aneelanc@codeaurora.org>
Change-Id: I3e29a456ff60c08fa2ede9eaa69b8223852882e1
1 file changed