mediatek: add support for the new MT7623 Arm SoC

the support is still WIP. next steps are to make the pmic and ethernet work.
this is the first commit to make sure nothing gets lost.

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 47354

target/linux/mediatek/patches/0058-dont-disable-clocks.patch

@@ -0,0 +1,25 @@
+From b1c69201563ae3ff878abf4ba192e73031de8653 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Tue, 23 Jun 2015 23:46:00 +0200
+Subject: [PATCH 58/76] dont disable clocks
+
+---
+ drivers/clk/clk.c |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
+index 5b0f418..360e6e4 100644
+--- a/drivers/clk/clk.c
++++ b/drivers/clk/clk.c
+@@ -541,7 +541,7 @@ unlock_out:
+ 	clk_enable_unlock(flags);
+ }
+ 
+-static bool clk_ignore_unused;
++static bool clk_ignore_unused = true;
+ static int __init clk_ignore_unused_setup(char *__unused)
+ {
+ 	clk_ignore_unused = true;
+-- 
+1.7.10.4
+