extra/ghc: add patch

extra/ghc/ghc-7.8.1-mk-config.mk.in-ARM-dynlinking.patch

@@ -0,0 +1,24 @@
+commit abb86adf7f749b3d44887d28bc96b43c5a1e0631
+Author: Ben Gamari <bgamari.foss@gmail.com>
+Date:   Thu Mar 6 21:22:28 2014 +0100
+
+    config.mk.in: ARM now supports dynamic linking with the LLVM backend
+    
+    Signed-off-by: Austin Seipp <austin@well-typed.com>
+    (cherry picked from commit d574fcbba09fd6c9d10a79e19daf5f15bb0a6cde)
+
+	Modified   mk/config.mk.in
+diff --git a/mk/config.mk.in b/mk/config.mk.in
+index 2c997de..fef1fb8 100644
+--- a/mk/config.mk.in
++++ b/mk/config.mk.in
+@@ -95,8 +95,7 @@ TargetElf = YES
+ endif
+ 
+ # Some platforms don't support shared libraries
+-NoSharedLibsPlatformList = arm-unknown-linux \
+-	powerpc-unknown-linux \
++NoSharedLibsPlatformList = powerpc-unknown-linux \
+ 	x86_64-unknown-mingw32 \
+ 	i386-unknown-mingw32 \
+ 	sparc-sun-solaris2 \