soc/tegra: Enable support for Tegra264

Tegra264 is the successor to Tegra234, with various improvements and new
hardware.

Link: https://lore.kernel.org/r/20250506133118.1011777-7-thierry.reding@gmail.com
Signed-off-by: Thierry Reding <treding@nvidia.com>

Author: thierryreding

drivers/soc/tegra/Kconfig

@@ -138,6 +138,14 @@ config ARCH_TEGRA_241_SOC
 	help
 	  Enable support for the NVIDIA Tegra241 SoC.
 
+config ARCH_TEGRA_264_SOC
+	bool "NVIDIA Tegra264 SoC"
+	depends on !CPU_BIG_ENDIAN
+	select MAILBOX
+	select SOC_TEGRA_PMC
+	help
+	  Enable support for the NVIDIA Tegra264 SoC.
+
 endif
 endif