fix(file_system): rename esp_littlefs submodule to littlefs so dependency name is always the same (#426)

* fix(file_system): Fix dependency name when used as a managed component

* actually rename esp_littlefs -> littlefs to match managed component for better build

* sync

Author: finger563

.gitmodules

@@ -4,8 +4,8 @@
 [submodule "components/serialization/detail/alpaca"]
 	path = components/serialization/detail/alpaca
 	url = https://github.com/p-ranav/alpaca
-[submodule "components/esp_littlefs"]
-	path = components/esp_littlefs
+[submodule "components/littlefs"]
+	path = components/littlefs
 	url = https://github.com/joltwallet/esp_littlefs
 [submodule "components/lvgl"]
 	path = components/lvgl

components/file_system/CMakeLists.txt

@@ -1,4 +1,4 @@
 idf_component_register(
   INCLUDE_DIRS "include"
   SRC_DIRS "src"
-  REQUIRES base_component esp_littlefs spi_flash)
+  REQUIRES base_component littlefs spi_flash)