Rename ets_intr_(un)lock_nest to ets_intr_(un)lock

This saves having to modify libmain.a, libpp.a and libnet80211.a to use the
nested versions.
Adjusts fix_sdk_libs.sh accordingly.

Author: ChocolateFrogsNuts

cores/esp8266/core_esp8266_main.cpp

@@ -128,14 +128,14 @@ extern "C" void optimistic_yield(uint32_t interval_us) {
     }
 }
 
-extern "C" void ets_intr_lock_nest() {
+extern "C" void ets_intr_lock() {
   if (ets_intr_lock_stack_ptr < ETS_INTR_LOCK_NEST_MAX)
      ets_intr_lock_stack[ets_intr_lock_stack_ptr++] = xt_rsil(3);
   else
      xt_rsil(3);
 }
 
-extern "C" void ets_intr_unlock_nest() {
+extern "C" void ets_intr_unlock() {
   if (ets_intr_lock_stack_ptr > 0)
      xt_wsr_ps(ets_intr_lock_stack[--ets_intr_lock_stack_ptr]);
   else

tools/sdk/lib/fix_sdk_libs.sh

@@ -16,10 +16,3 @@ xtensa-lx106-elf-objcopy --redefine-sym default_hostname=wifi_station_default_ho
 xtensa-lx106-elf-objcopy --redefine-sym default_hostname=wifi_station_default_hostname eagle_lwip_if.o 
 xtensa-lx106-elf-ar r libmain.a eagle_lwip_if.o user_interface.o 
 rm -f eagle_lwip_if.o user_interface.o
-
-# Replace use of ROM ets_intr_(un)lock with nestable ets_intr_(un)lock_nest
-for f in libmain.a libpp.a libnet80211.a; do
-  xtensa-lx106-elf-objcopy  --redefine-sym ets_intr_lock=ets_intr_lock_nest $f;
-  xtensa-lx106-elf-objcopy  --redefine-sym ets_intr_unlock=ets_intr_unlock_nest $f;
-done
-