dmaengine: sh: Kconfig: Add ARCH_R9A07G054 dependency for RZ_DMAC config option

RZ/V2L DMA block is identical to one found on RZ/G2L SoC. This patch adds
ARCH_R9A07G054 dependency for RZ_DMAC config option so that the driver
can be enabled on RZ/V2L SoC. While at it, also update config help text.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220221224321.11939-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: prabhakarlad

drivers/dma/sh/Kconfig

@@ -49,10 +49,10 @@ config RENESAS_USB_DMAC
 	  SoCs.
 
 config RZ_DMAC
-	tristate "Renesas RZ/G2L DMA Controller"
-	depends on ARCH_R9A07G044 || COMPILE_TEST
+	tristate "Renesas RZ/{G2L,V2L} DMA Controller"
+	depends on ARCH_R9A07G044 || ARCH_R9A07G054 || COMPILE_TEST
 	select RENESAS_DMA
 	select DMA_VIRTUAL_CHANNELS
 	help
 	  This driver supports the general purpose DMA controller found in the
-	  Renesas RZ/G2L SoC variants.
+	  Renesas RZ/{G2L,V2L} SoC variants.