sh: machvec rework.

Some more machvec overhauling and setup code cleanup. Kill off
get_system_type() and platform_setup(), we can do these both
through the machvec. While we're add it, kill off more useless
mach.c's and drop some legacy cruft from setup.c.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/se/770x/Makefile b/arch/sh/boards/se/770x/Makefile
index c96ed69..9a5035f 100644
--- a/arch/sh/boards/se/770x/Makefile
+++ b/arch/sh/boards/se/770x/Makefile
@@ -2,6 +2,5 @@
 # Makefile for the 770x SolutionEngine specific parts of the kernel
 #
 
-obj-y	 := mach.o setup.o io.o irq.o
-
+obj-y	 := setup.o io.o irq.o
 obj-$(CONFIG_HEARTBEAT) += led.o