drm: Move IRQ related fields to proper section

The .irq and .irq_enabled fields are part of the VBLANK interrupt
handling infrastructure, so move them to the appropriate section within
the structure.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 8ba35c6..7cd1c68 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -744,8 +744,6 @@
 
 	/** \name Context support */
 	/*@{ */
-	bool irq_enabled;		/**< True if irq handler is enabled */
-	int irq;
 
 	__volatile__ long context_flag;	/**< Context swapping flag */
 	int last_context;		/**< Last current context */
@@ -753,6 +751,8 @@
 
 	/** \name VBLANK IRQ support */
 	/*@{ */
+	bool irq_enabled;
+	int irq;
 
 	/*
 	 * At load time, disabling the vblank interrupt won't be allowed since