Add ASM include flags in uvision export

When exporting to a uvision project, the include flags are not put in
the assembly compilation line. When assembling the files containing
includes, the search path will then fail. This patch adds the include
paths to the Assembly sequence, as it is done for compilation.
This issue was found in the pull request ARMmbed#6168.

Signed-off-by: Hugues de Valon <[email protected]>

Author: hug-dev

tools/export/uvision/uvision.tmpl

@@ -394,7 +394,7 @@
               <MiscControls>{{asm_flags}}</MiscControls>
               <Define></Define>
               <Undefine></Undefine>
-              <IncludePath></IncludePath>
+              <IncludePath>{{include_paths}}</IncludePath>
             </VariousControls>
           </Aads>
           <LDads>