esp_rom: Fix esp32.rom.newlib-time.ld should includes all time ROM functions/data

- Added UT
Closes: https://github.com/espressif/esp-idf/issues/4925

components/esp_rom/esp32/ld/esp32.rom.newlib-data.ld

@@ -10,14 +10,10 @@
 
 _ctype_ = 0x3ff96354;
 __ctype_ptr__ = 0x3ff96350;
-_daylight = 0x3ffae0a4;
 environ = 0x3ffae0b4;
 _global_impure_ptr = 0x3ffae0b0;
 __mb_cur_max = 0x3ff96530;
-__month_lengths = 0x3ff9609c;
 __sf_fake_stderr = 0x3ff96458;
 __sf_fake_stdin = 0x3ff96498;
 __sf_fake_stdout = 0x3ff96478;
-_timezone = 0x3ffae0a0;
-_tzname = 0x3ffae030;
 __wctomb = 0x3ff96540;

components/esp_rom/esp32/ld/esp32.rom.newlib-funcs.ld

@@ -9,7 +9,7 @@
    which declares strong symbols. This is done so that ROM functions are always
    used instead of the ones provided by libc.a.
 
-   Time functions were moved to the esp32.rom.newlib-funcs-time.ld file.
+   Time functions were moved to the esp32.rom.newlib-time.ld file.
  */
 
 abs = 0x40056340;
@@ -126,9 +126,6 @@ __swsetup_r = 0x40058cc8;
 toascii = 0x4000c720;
 tolower = 0x40001868;
 toupper = 0x40001884;
-__tzcalc_limits = 0x400018a0;
-__tz_lock = 0x40001a04;
-__tz_unlock = 0x40001a10;
 ungetc = 0x400590f4;
 _ungetc_r = 0x40058fa0;
 __utoa = 0x400561f0;

components/esp_rom/esp32/ld/esp32.rom.newlib-time.ld

@@ -1,4 +1,4 @@
-/* These are the newlib functions present in ESP32 ROM.
+/* These are the newlib functions and the .bss/.data symbols necessary for these functions present in ESP32 ROM.
    They should not be used when you need to solve the Y2K38 problem.
    Because these functions were compiled with 32-bit width for the time_t structure.
  */
@@ -19,3 +19,11 @@ time = 0x40001844;
 __time_load_locale = 0x4000183c;
 tzset = 0x40001a1c;
 _tzset_r = 0x40001a28;
+__tzcalc_limits = 0x400018a0;
+__tz_lock = 0x40001a04;
+__tz_unlock = 0x40001a10;
+/* The .bss/.data symbols necessary for these functions */
+_timezone = 0x3ffae0a0;
+_tzname = 0x3ffae030;
+_daylight = 0x3ffae0a4;
+__month_lengths = 0x3ff9609c;