arm64: arch_k3: Fix kconfig dependency warning

Fix Kbuild warning when SOC_TI is not set

WARNING: unmet direct dependencies detected for TI_SCI_INTA_IRQCHIP
  Depends on [n]: TI_SCI_PROTOCOL [=y] && SOC_TI [=n]
  Selected by [y]:
  - ARCH_K3 [=y]

Fixes: 009669e74813 ("arm64: arch_k3: Enable interrupt controller drivers")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 42eca65..9d1292f 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -88,6 +88,7 @@
 	bool "Texas Instruments Inc. K3 multicore SoC architecture"
 	select PM_GENERIC_DOMAINS if PM
 	select MAILBOX
+	select SOC_TI
 	select TI_MESSAGE_MANAGER
 	select TI_SCI_PROTOCOL
 	select TI_SCI_INTR_IRQCHIP