cmake: rust: Add Cortex M7 support

The Cortex-M7 is build the same as M4.  Catch it in the same rules.

Signed-off-by: David Brown <[email protected]>

Author: d3zd3z

cmake/modules/rust.cmake

@@ -13,7 +13,7 @@ function(_rust_map_target)
       set(RUST_TARGET "thumbv6m-none-eabi" PARENT_SCOPE)
     elseif(CONFIG_CPU_CORTEX_M3)
       set(RUST_TARGET "thumbv7m-none-eabi" PARENT_SCOPE)
-    elseif(CONFIG_CPU_CORTEX_M4)
+    elseif(CONFIG_CPU_CORTEX_M4 OR CONFIG_CPU_CORTEX_M7)
       if(CONFIG_FP_HARDABI OR FORCE_FP_HARDABI)
         set(RUST_TARGET "thumbv7em-none-eabihf" PARENT_SCOPE)
       else()