llvm: rename ARCH variable to LLVM_ARCH, because its already used

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/devel/llvm/build

@@ -26,9 +26,9 @@
   strip_lto
 
 if [ "$TARGET_ARCH" = i386 ]; then
-  ARCH=x86
+  LLVM_ARCH=x86
 elif [ "$TARGET_ARCH" = x86_64 ]; then
-  ARCH=x86_64
+  LLVM_ARCH=x86_64
 fi
 
 LLVM_DIR=`ls -d $BUILD/llvm-[0-9]*`
@@ -56,7 +56,7 @@ mkdir -p .build-target && cd .build-target
              --enable-shared \
              --enable-embed-stdcxx \
              --enable-timestamps \
-             --enable-targets=$ARCH \
+             --enable-targets=$LLVM_ARCH \
 
 TBLGEN="$ROOT/$TOOLCHAIN/bin/tblgen" \
 TCLSH="$ROOT/$TOOLCHAIN/bin/tclsh" \