MAINTAINERS: Remove T Ambarus from few mchp entries

I have been no longer at Microchip for more than a year and I'm no
longer interested in maintaining these drivers. Let other mchp people
step up, thus remove myself. Thanks for the nice collaboration everyone!
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

MAINTAINERS

@@ -14234,7 +14234,6 @@ F:	drivers/misc/xilinx_tmr_manager.c
 
 MICROCHIP AT91 DMA DRIVERS
 M:	Ludovic Desroches <ludovic.desroches@microchip.com>
-M:	Tudor Ambarus <tudor.ambarus@linaro.org>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 L:	dmaengine@vger.kernel.org
 S:	Supported
@@ -14283,9 +14282,8 @@ F:	Documentation/devicetree/bindings/media/microchip,csi2dc.yaml
 F:	drivers/media/platform/microchip/microchip-csi2dc.c
 
 MICROCHIP ECC DRIVER
-M:	Tudor Ambarus <tudor.ambarus@linaro.org>
 L:	linux-crypto@vger.kernel.org
-S:	Maintained
+S:	Orphan
 F:	drivers/crypto/atmel-ecc.*
 
 MICROCHIP EIC DRIVER
@@ -14390,9 +14388,8 @@ S:	Maintained
 F:	drivers/mmc/host/atmel-mci.c
 
 MICROCHIP NAND DRIVER
-M:	Tudor Ambarus <tudor.ambarus@linaro.org>
 L:	linux-mtd@lists.infradead.org
-S:	Supported
+S:	Orphan
 F:	Documentation/devicetree/bindings/mtd/atmel-nand.txt
 F:	drivers/mtd/nand/raw/atmel/*