libc/mingw: replace mingw32 with generic mingw

Replace the 32-bit-only mingw32 with mingw-w64 that is capable
of building toolchains for both 32-bit and 64-bit Windows.

kernel/mingw: replace mingw32 with generic Windows
kernel/windows: New windows kernel supporting 32 and 64 bit arch
libc/mingw: Remove old options
patches: Remove old mingw libc options' patches

Signed-off-by: "Yann Diorcet" <diorcet.yann@gmail.com>
[yann.morin.1998@free.fr: array var in libc/mingw.sh, typos]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <b045ac08fc9eac2e5ee3.1352898499@blackmint>
Patchwork-Id: 198901

Original patch from Gentoo.

-= BEGIN original header =-

-= END original header =-

diff -durN uClibc-0.9.30.orig/Rules.mak uClibc-0.9.30/Rules.mak

--- uClibc-0.9.30.orig/Rules.mak	2008-11-12 13:24:16.000000000 +0100

+++ uClibc-0.9.30/Rules.mak	2009-02-07 09:57:59.000000000 +0100

@@ -519,6 +519,7 @@

 endif

 CFLAGS += $(call check_gcc,-std=gnu99,)

+CFLAGS += $(call check_gcc,-fgnu89-inline,)

 LDFLAGS_NOSTRIP:=$(CPU_LDFLAGS-y) -shared \

 	-Wl,--warn-common -Wl,--warn-once -Wl,-z,combreloc