feat(ppa): add sleep retention support for DMA2D and PPA

components/esp_driver_ppa/CMakeLists.txt

@@ -7,6 +7,9 @@ if(CONFIG_SOC_PPA_SUPPORTED)
                      "src/ppa_srm.c"
                      "src/ppa_blend.c"
                      "src/ppa_fill.c")
+    if(CONFIG_SOC_PAU_SUPPORTED)
+        list(APPEND srcs "${target}/ppa_retention.c")
+    endif()
 endif()
 
 if(${target} STREQUAL "linux")
@@ -18,6 +21,7 @@ endif()
 
 idf_component_register(SRCS ${srcs}
                        INCLUDE_DIRS ${public_include}
+                       PRIV_INCLUDE_DIRS "src"
                        REQUIRES esp_hal_ppa
                        PRIV_REQUIRES "${priv_requires}"
                       )