esp32c2: add eco4 linker file

Add new linker used during Wi-Fi build.

Signed-off-by: Sylvio Alves <[email protected]>

Author: sylvioalves

zephyr/esp32c2/CMakeLists.txt

@@ -111,6 +111,10 @@ if(CONFIG_SOC_SERIES_ESP32C2)
     ../port/include/boot
   )
 
+  if (CONFIG_SOC_ESP32C2_REV_2_0)
+    set(ECO_LD_FILE ${CMAKE_CURRENT_SOURCE_DIR}/../../components/esp_rom/${CONFIG_SOC_SERIES}/ld/${CONFIG_SOC_SERIES}.rom.eco4.ld)
+  endif()
+
   zephyr_link_libraries(
     gcc
     -T${CMAKE_CURRENT_SOURCE_DIR}/src/linker/${CONFIG_SOC_SERIES}.rom.alias.ld