sh: Turn on speculative return for SH7785 and SH7786

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig.cpu b/arch/sh/Kconfig.cpu
index cd6e3ea..ddf096c 100644
--- a/arch/sh/Kconfig.cpu
+++ b/arch/sh/Kconfig.cpu
@@ -68,7 +68,8 @@
 
 config SPECULATIVE_EXECUTION
 	bool "Speculative subroutine return"
-	depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL
+	depends on EXPERIMENTAL
+	depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || CPU_SUBTYPE_SH7786
 	help
 	  This enables support for a speculative instruction fetch for
 	  subroutine return. There are various pitfalls associated with