ARM: shmobile: Add the RZ/N1 arch to the shmobile Kconfig

Add the RZ/N1 Family (Part #R9A06G0xx) ARCH config to the rest of
the Renesas SoC collection.

Signed-off-by: Michel Pollet <michel.pollet@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/Kconfig

@@ -114,6 +114,11 @@ config ARCH_R8A7794
 	bool "R-Car E2 (R8A77940)"
 	select ARCH_RCAR_GEN2
 
+config ARCH_RZN1
+	bool "RZ/N1 (R9A06G0xx) Family"
+	select ARM_AMBA
+	select CPU_V7
+
 config ARCH_SH73A0
 	bool "SH-Mobile AG5 (R8A73A00)"
 	select ARCH_RMOBILE