disp: msm: use linux IRQ interfaces instead of DRM helpers

Update the msm layer to use linux IRQ interfaces as DRM IRQ helpers
are removed in 5.15 kernel.

Change-Id: I9f41032927cddabe8a5a48e5e9339acef6c6f67e
Signed-off-by: Bruce Hoo <bingchua@codeaurora.org>
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>

msm/msm_kms.h

@@ -142,7 +142,7 @@ struct msm_kms_funcs {
 struct msm_kms {
 	const struct msm_kms_funcs *funcs;
 
-	/* irq number to be passed on to drm_irq_install */
+	/* irq number to be passed on to msm_irq_install */
 	int irq;
 
 	/* mapper-id used to request GEM buffer mapped for scanout: */