Build: Update IAR cmake files, fix Windows build errors

Fixed regex issue in toolchain_IARARM.cmake, causing Windows build errors

Moved --map option from toolchain file to CMakeLists.txt files, like
for ARMClang and GNUARM

Removed dead code from toolchain_IARARM.cmake

Renamed IAR RTX libraries in CMakeLists.txt

Signed-off-by: TTornblom <thomas.tornblom@iar.com>
Change-Id: I01805f59a5be0ca4cd2bf47f20dd4a8852c1ea54
diff --git a/bl2/CMakeLists.txt b/bl2/CMakeLists.txt
index b49677e..6199eda 100644
--- a/bl2/CMakeLists.txt
+++ b/bl2/CMakeLists.txt
@@ -38,6 +38,7 @@
     PRIVATE
         $<$<C_COMPILER_ID:GNU>:-Wl,-Map=${CMAKE_BINARY_DIR}/bin/bl2.map>
         $<$<C_COMPILER_ID:ARMClang>:--map>
+        $<$<C_COMPILER_ID:IAR>:--map\;${CMAKE_BINARY_DIR}/bin/bl2.map>
 )
 
 add_convert_to_bin_target(bl2)