disp: msm: drmP.h removed, add new headers

Commit ("drm: delete drmP.h + drm_os_linux.h") removes the
drmP header file. This changes updates the msm driver
by adding the individually required header files.

Change-Id: I360aa028c2ce75317d33da988b36164041177014
Signed-off-by: Samantha Tran <samtran@codeaurora.org>
Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org>

msm/msm_drv.c

@@ -41,6 +41,10 @@
 #include <linux/kthread.h>
 #include <uapi/linux/sched/types.h>
 #include <drm/drm_of.h>
+#include <drm/drm_irq.h>
+#include <drm/drm_ioctl.h>
+#include <drm/drm_vblank.h>
+#include <drm/drm_drv.h>
 #include <drm/drm_probe_helper.h>
 
 #include "msm_drv.h"