esp_event: fix placement issue when building with make

The CMake build uses the linker fragment file to place functions in IRAM
on certain configurations. This commit does that for Make as well.

components/esp_event/component.mk

@@ -4,6 +4,7 @@
 COMPONENT_ADD_INCLUDEDIRS := include
 COMPONENT_PRIV_INCLUDEDIRS := private_include
 COMPONENT_SRCDIRS := .
+COMPONENT_ADD_LDFRAGMENTS := linker.lf
 
 ifdef CONFIG_ESP_EVENT_LOOP_PROFILING
 	PROFILING_ENABLED := 1