soc: imx: drop COMPILE_TEST for IMX_SCU_SOC

With COMPILE_TEST, there will be build error, because IMX_SCU
might be set to n, so drop COMPILE_TEST.
Suggested-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

drivers/soc/imx/Kconfig

@@ -10,7 +10,7 @@ config IMX_GPCV2_PM_DOMAINS
 
 config IMX_SCU_SOC
 	bool "i.MX System Controller Unit SoC info support"
-	depends on IMX_SCU || COMPILE_TEST
+	depends on IMX_SCU
 	select SOC_BUS
 	help
 	  If you say yes here you get support for the NXP i.MX System