cmake/sysbuild/partition_manager: correct nRF54L bl_storage UICR.OTP size

Size reserved for bl_storage OTP should be 320 words.

Signed-off-by: Andrzej Puzdrowski <[email protected]>

Author: nvlsianpu

cmake/sysbuild/partition_manager.cmake

@@ -531,7 +531,7 @@ foreach(d APP ${PM_DOMAINS})
     if(DEFINED ${image_name}_CONFIG_SOC_SERIES_NRF54LX)
       set(otp_start_addr "0xffd500")
       # 320 UICR words, minus 32 user-reserved words
-      set(otp_size 1148)  # (319 - 32) * 4
+      set(otp_size 1152)  # (320 - 32) * 4
     endif()
   endif()