sh: remove support for sh7300 and solution engine 7300

This patch removes old dead code:
- kill off sh7300 cpu support
- get rid of broken solution engine 7300 board support

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig

@@ -264,14 +264,6 @@ config SH_7780_SOLUTION_ENGINE
 	  Select 7780 SolutionEngine if configuring for a Renesas SH7780
 	  evaluation board.
 
-config SH_7300_SOLUTION_ENGINE
-	bool "SolutionEngine7300"
-	select SOLUTION_ENGINE
-	depends on CPU_SUBTYPE_SH7300
-	help
-	  Select 7300 SolutionEngine if configuring for a Hitachi
-	  SH7300(SH-Mobile V) evaluation board.
-
 config SH_7343_SOLUTION_ENGINE
 	bool "SolutionEngine7343"
 	select SOLUTION_ENGINE
@@ -446,7 +438,7 @@ config SH_PCLK_FREQ
 	default "27000000" if CPU_SUBTYPE_SH7343
 	default "31250000" if CPU_SUBTYPE_SH7619
 	default "32000000" if CPU_SUBTYPE_SH7722
-	default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \
+	default "33333333" if CPU_SUBTYPE_SH7770 || \
 			      CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
 			      CPU_SUBTYPE_SH7206
 	default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R

arch/sh/Makefile

@@ -91,7 +91,6 @@ machdir-$(CONFIG_SH_SOLUTION_ENGINE)		+= se/770x
 machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE)	+= se/7722
 machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)	+= se/7751
 machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE)	+= se/7780
-machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE)	+= se/7300
 machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)	+= se/7343
 machdir-$(CONFIG_SH_HP6XX)			+= hp6xx
 machdir-$(CONFIG_SH_DREAMCAST)			+= dreamcast