remoteproc: Enable ARM64 remoteproc driver by default for K3 ARCH

If SYS_K3_SPL_ATF is enabled, for K3 ARCH enable the
remoteproc ARM64 driver by default so that it does not
have to be defined in each board defconfig file.

Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index 8a5d889..3d2831a 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -55,6 +55,7 @@
 	depends on DM
 	depends on ARCH_K3
 	depends on OF_CONTROL
+	default y if SYS_K3_SPL_ATF
 	help
 	  Say y here to support TI's ARM64 processor subsystems
 	  on various TI K3 family of SoCs through the remote processor