amd-xgbe: Unify coherency checking logic with device_dma_is_coherent()
amd-xgbe: Unify coherency checking logic with device_dma_is_coherent()

Currently, amd-xgbe driver has separate logic to determine device
coherency for DT vs. ACPI. This patch simplifies the code with
a call to device_dma_is_coherent().

Signed-off-by: Tom Lendacky <bcbe2d8614c98cf419bfc4320d4a7a260d53de8f@amd.com>
Signed-off-by: Suravee Suthikulpanit <ed04488ebbbd0c8ebb072b7ab25add9fa816eb84@amd.com>
Signed-off-by: Rafael J. Wysocki <27ffc44a8ec6a212fba98cfc3246c6ce8ab131e0@intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs