espressif: update secure boot and flash encryption

Adjust secure boot and flash encryption after IDF v5.x updates.
It also allows to enable secure boot on ESP32-C2.

Signed-off-by: Almir Okato <almir.okato@espressif.com>
diff --git a/boot/espressif/hal/include/esp32c6/esp32c6.cmake b/boot/espressif/hal/include/esp32c6/esp32c6.cmake
index 23b6b00..d26c5f0 100644
--- a/boot/espressif/hal/include/esp32c6/esp32c6.cmake
+++ b/boot/espressif/hal/include/esp32c6/esp32c6.cmake
@@ -8,7 +8,7 @@
 
 list(APPEND hal_srcs
     ${esp_hal_dir}/components/hal/cache_hal.c
-    ${esp_hal_dir}/components/hal/${MCUBOOT_TARGET}/lp_timer_hal.c
+    ${esp_hal_dir}/components/hal/lp_timer_hal.c
     ${esp_hal_dir}/components/efuse/src/efuse_controller/keys/with_key_purposes/esp_efuse_api_key.c
     ${esp_hal_dir}/components/esp_rom/patches/esp_rom_regi2c_${MCUBOOT_TARGET}.c
 )