cmake: add cpuapp suffix to nRF54L20

Added cpuapp suffix to nRF54L20 when searching for a library.

Signed-off-by: Rafał Kuźnia <[email protected]>

Author: e-rk

common.cmake

@@ -46,6 +46,8 @@ function(nrfxlib_calculate_lib_path lib_path)
       set(arch_soc_dir ${arch_soc_dir}_cpunet)
     elseif(DEFINED CONFIG_SOC_NRF54L15_ENGA_CPUAPP)
       set(arch_soc_dir ${arch_soc_dir}_cpuapp)
+    elseif(DEFINED CONFIG_SOC_NRF54L20_ENGA_CPUAPP)
+      set(arch_soc_dir ${arch_soc_dir}_cpuapp)
     elseif(DEFINED CONFIG_SOC_NRF54H20_CPURAD)
       set(arch_soc_dir ${arch_soc_dir}_cpurad)
     endif()