drm/radeon/radeon_drv: Move 'radeon_driver_irq_handler_kms's prototype into shared header

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/radeon/radeon_irq_kms.c:53:13: warning: no previous prototype for ‘radeon_driver_irq_handler_kms’ [-Wmissing-prototypes]
 53 | irqreturn_t radeon_driver_irq_handler_kms(int irq, void *arg)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_irq_kms.c:120:6: warning: no previous prototype for ‘radeon_driver_irq_preinstall_kms’ [-Wmissing-prototypes]
 120 | void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_irq_kms.c:152:5: warning: no previous prototype for ‘radeon_driver_irq_postinstall_kms’ [-Wmissing-prototypes]
 152 | int radeon_driver_irq_postinstall_kms(struct drm_device *dev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 drivers/gpu/drm/radeon/radeon_irq_kms.c:171:6: warning: no previous prototype for ‘radeon_driver_irq_uninstall_kms’ [-Wmissing-prototypes]
 171 | void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Cc: Alex Deucher <[email protected]>
Cc: "Christian König" <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Gareth Hughes <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Lee Jones <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

0 files changed, 0 insertions, 0 deletions