kconfig: remove unneeded dependency on !SPL_BUILD

Now CONFIG_SPL_BUILD is not defined in Kconfig, so
"!depends on SPL_BUILD" and "if !SPL_BUILD" are redundant.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 820ba1c..3408319 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -620,9 +620,8 @@
 	bool "NVIDIA Tegra"
 	select SUPPORT_SPL
 	select SPL
-	select OF_CONTROL if !SPL_BUILD
-	select CPU_ARM720T if SPL_BUILD
-	select CPU_V7 if !SPL_BUILD
+	select OF_CONTROL
+	select CPU_V7
 
 config TARGET_VEXPRESS64_AEMV8A
 	bool "Support vexpress_aemv8a"
@@ -714,7 +713,7 @@
 	select CPU_V7
 	select SUPPORT_SPL
 	select SPL
-	select OF_CONTROL if !SPL_BUILD
+	select OF_CONTROL
 
 endchoice