sh: Update SH-X3 subtype for clkdev lookups.

Rewrite the SH-X3 proto CPU clock framework for clkdev.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 2284215..e46b61d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -570,7 +570,7 @@
 config SH_CLK_CPG_LEGACY
 	depends on SH_CLK_CPG
 	def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \
-		      !CPU_SUBTYPE_SH7786 && !CPU_SUBTYPE_SH7757
+		      !CPU_SHX3 && !CPU_SUBTYPE_SH7757
 
 config SH_CLK_MD
 	int "CPU Mode Pin Setting"