bootloader: Fix regression burning efuses late in boot process

APB clock get functions not included in iram_loader_seg, meaning
could be overwritten by app depending on app IRAM size and linker
layout.

Regression in dd5190868a4e3f189bbfae2898dd9f983f632a35

Closes https://github.com/espressif/esp-idf/issues/5456

components/bootloader/subproject/main/esp32.bootloader.ld

@@ -40,6 +40,7 @@ SECTIONS
      *(.iram1 .iram1.*) /* catch stray IRAM_ATTR */
     *liblog.a:(.literal .text .literal.* .text.*)
     *libgcc.a:(.literal .text .literal.* .text.*)
+    *libbootloader_support.a:bootloader_clock.*(.literal.esp_clk_apb_freq .text.esp_clk_apb_freq)
     *libbootloader_support.a:bootloader_common.*(.literal .text .literal.* .text.*)
     *libbootloader_support.a:bootloader_flash.*(.literal .text .literal.* .text.*)
     *libbootloader_support.a:bootloader_random.*(.literal .text .literal.* .text.*)
@@ -52,6 +53,7 @@ SECTIONS
     *libbootloader_support.a:secure_boot_signatures.*(.literal .text .literal.* .text.*)
     *libmicro-ecc.a:*.*(.literal .text .literal.* .text.*)
     *libspi_flash.a:*.*(.literal .text .literal.* .text.*)
+    *libsoc.a:rtc_clk.*(.literal.rtc_clk_apb_freq_get .text.rtc_clk_apb_freq_get)
     *libsoc.a:rtc_wdt.*(.literal .text .literal.* .text.*)
     *libefuse.a:*.*(.literal .text .literal.* .text.*)
     *(.fini.literal)