pkg/esp32_sdk: patch bootloader ld script

In ESP-IDF archives are generated for all components. The ld script for the bootloader uses archive names of some components to place data and code to the first 64 kByte of IRAM. Since RIOT uses object files instead of archives, the ld script for the bootloader has to modified.

pkg/esp32_sdk/patches/0001-remove-libbootloader_support.a-from-ld-script.patch

@@ -0,0 +1,38 @@
+From f71eab1c0ba9510a106444bda578a90a8d9188a4 Mon Sep 17 00:00:00 2001
+From: Gunar Schorcht <gunar@schorcht.net>
+Date: Fri, 31 Dec 2021 09:51:30 +0100
+Subject: [PATCH 1/1] remove libbootloader_support.a from ld script
+
+---
+ .../bootloader/subproject/main/esp32.bootloader.ld | 14 +++++++-------
+ 1 file changed, 7 insertions(+), 7 deletions(-)
+
+diff --git a/components/bootloader/subproject/main/esp32.bootloader.ld b/components/bootloader/subproject/main/esp32.bootloader.ld
+index 2c5778c39c..f71dc5d26a 100644
+--- a/components/bootloader/subproject/main/esp32.bootloader.ld
++++ b/components/bootloader/subproject/main/esp32.bootloader.ld
+@@ -34,14 +34,14 @@ SECTIONS
+     _text_start = ABSOLUTE(.);
+     *(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
+      *(.iram1 .iram1.*) /* catch stray IRAM_ATTR */
+-    *liblog.a:(.literal .text .literal.* .text.*)
++    *components/log/log.o(.literal .text .literal.* .text.*)
+     *libgcc.a:(.literal .text .literal.* .text.*)
+-    *libbootloader_support.a:bootloader_utility.o(.literal .text .literal.* .text.*)
+-    *libbootloader_support.a:esp_image_format.o(.literal .text .literal.* .text.*)
+-    *libbootloader_support.a:bootloader_random.o(.literal .text .literal.* .text.*)
+-    *libbootloader_support.a:bootloader_flash.o(.literal .text .literal.* .text.*)
+-    *libbootloader_support.a:flash_partitions.o(.literal .text .literal.* .text.*)
+-    *libbootloader_support.a:bootloader_sha.o(.literal .text .literal.* .text.*)
++    *components/bootloader_support/src/bootloader_utility.o(.literal .text .literal.* .text.*)
++    *components/bootloader_support/src/esp_image_format.o(.literal .text .literal.* .text.*)
++    *components/bootloader_support/src/bootloader_random.o(.literal .text .literal.* .text.*)
++    *components/bootloader_support/src/bootloader_flash.o(.literal .text .literal.* .text.*)
++    *components/bootloader_support/src/flash_partitions.o(.literal .text .literal.* .text.*)
++    *components/bootloader_support/src/bootloader_sha.o(.literal .text .literal.* .text.*)
+     *(.fini.literal)
+     *(.fini)
+     *(.gnu.version)
+-- 
+2.17.1
+