tee: allow compilation of tee subsystem for AMD CPUs

Allow compilation of tee subsystem for AMD's CPUs which have a dedicated
AMD Secure Processor for Trusted Execution Environment (TEE).

Acked-by: Jens Wiklander <[email protected]>
Co-developed-by: Devaraj Rangasamy <[email protected]>
Signed-off-by: Devaraj Rangasamy <[email protected]>
Signed-off-by: Rijo Thomas <[email protected]>
Reviewed-by: Gary R Hook <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

Author: Rijo Thomas

drivers/tee/Kconfig

@@ -2,7 +2,7 @@
 # Generic Trusted Execution Environment Configuration
 config TEE
 	tristate "Trusted Execution Environment support"
-	depends on HAVE_ARM_SMCCC || COMPILE_TEST
+	depends on HAVE_ARM_SMCCC || COMPILE_TEST || CPU_SUP_AMD
 	select DMA_SHARED_BUFFER
 	select GENERIC_ALLOCATOR
 	help