linux-imx

MA-9597 [Android] change the pxp_dma.h in kernel to resolve the compile fail issue

replace the "bool" with "unsigned char" in this pxp_dma.h. So the updated file
in device/fsl/common/kernel-headers/linux/pxp_dma.h will not cause compile error
in imx board.

Change-Id: Iba210eb3d034ca54c35ee092ea20609ad568a7eb
Signed-off-by: Zhang Bo <bo.zhang@nxp.com>