MAINTAINERS: Update Benjamin Gaignard maintainer status

Update Benjamin Gaignard address and remove it from no more maintained
drivers.

Signed-off-by: Benjamin Gaignard <[email protected]>
Reviewed-by: Philippe Cornu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]'
Signed-off-by: Arnd Bergmann <[email protected]>

Author: Benjamin Gaignard

MAINTAINERS

@@ -5772,7 +5772,7 @@ F:	tools/testing/selftests/dma/
 
 DMA-BUF HEAPS FRAMEWORK
 M:	Sumit Semwal <[email protected]>
-R:	Benjamin Gaignard <benjamin.gaignard@linaro.org>
+R:	Benjamin Gaignard <benjamin.gaignard@collabora.com>
 R:	Liam Mark <[email protected]>
 R:	Laura Abbott <[email protected]>
 R:	Brian Starkey <[email protected]>
@@ -6502,7 +6502,6 @@ F:	Documentation/devicetree/bindings/display/rockchip/
 F:	drivers/gpu/drm/rockchip/
 
 DRM DRIVERS FOR STI
-M:	Benjamin Gaignard <[email protected]>
 L:	[email protected]
 S:	Maintained
 T:	git git://anongit.freedesktop.org/drm/drm-misc
@@ -6512,7 +6511,6 @@ F:	drivers/gpu/drm/sti
 DRM DRIVERS FOR STM
 M:	Yannick Fertre <[email protected]>
 M:	Philippe Cornu <[email protected]>
-M:	Benjamin Gaignard <[email protected]>
 L:	[email protected]
 S:	Maintained
 T:	git git://anongit.freedesktop.org/drm/drm-misc
@@ -18441,7 +18439,6 @@ F:	Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
 F:	sound/soc/sti/
 
 STI CEC DRIVER
-M:	Benjamin Gaignard <[email protected]>
 S:	Maintained
 F:	Documentation/devicetree/bindings/media/stih-cec.txt
 F:	drivers/media/cec/platform/sti/