ARM: orion: don't use using 64-bit DMA masks

BugLink: https://bugs.launchpad.net/bugs/1830176

[ Upstream commit cd92d74d ]

clang warns about statically defined DMA masks from the DMA_BIT_MASK
macro with length 64:

arch/arm/plat-orion/common.c:625:29: error: shift count >= width of type [-Werror,-Wshift-count-overflow]
                .coherent_dma_mask      = DMA_BIT_MASK(64),
                                          ^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:141:54: note: expanded from macro 'DMA_BIT_MASK'
 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))

The ones in orion shouldn't really be 64 bit masks, so changing them
to what the driver can support avoids the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Juerg Haefliger <juergh@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>

arch/arm/plat-orion/common.c

@@ -645,7 +645,7 @@ static struct platform_device orion_xor0_shared = {
 	.resource	= orion_xor0_shared_resources,
 	.dev            = {
 		.dma_mask               = &orion_xor_dmamask,
-		.coherent_dma_mask      = DMA_BIT_MASK(64),
+		.coherent_dma_mask      = DMA_BIT_MASK(32),
 		.platform_data          = &orion_xor0_pdata,
 	},
 };
@@ -706,7 +706,7 @@ static struct platform_device orion_xor1_shared = {
 	.resource	= orion_xor1_shared_resources,
 	.dev            = {
 		.dma_mask               = &orion_xor_dmamask,
-		.coherent_dma_mask      = DMA_BIT_MASK(64),
+		.coherent_dma_mask      = DMA_BIT_MASK(32),
 		.platform_data          = &orion_xor1_pdata,
 	},
 };