esp_phy: add phy libraries

* libphy.a was copied from esp32-wifi-lib repo (commit id: f20bc566)
* librtc.a was copied from esp32-wifi-lib repo (commit id: f20bc566)
* libbtbb.a was copied from esp32c3-bt-lib repo (commit id: 90b02563)

fix_printf.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+for dir in esp32 esp32s2 esp32c3 esp32s3; do
+    if [ $dir = esp32 ]; then
+        TOOLCHAIN="xtensa-esp32-elf"
+    elif [ $dir = esp32s2 ]; then
+        TOOLCHAIN="xtensa-esp32s2-elf"
+    elif [ $dir = esp32c3 ]; then
+        TOOLCHAIN="riscv32-esp-elf"
+    elif [ $dir = esp32s3 ]; then
+        TOOLCHAIN="xtensa-esp32s3-elf"
+    else
+        echo "$dir does not exist"
+    fi
+    if [ -d "$dir" ]; then
+        cd $dir
+
+        if [ $dir = esp32 ] || [ $dir = esp32s2 ]; then
+            git status librtc.a | grep "modified" >/dev/null 2>&1
+            if [ $? -eq 0 ]; then
+                echo $dir/librtc.a fixed
+                $TOOLCHAIN-objcopy --redefine-sym ets_printf=rtc_printf librtc.a
+            fi
+        fi
+
+        git status libphy.a | grep "modified" >/dev/null 2>&1
+        if [ $? -eq 0 ]; then
+            echo $dir/libphy.a fixed
+            $TOOLCHAIN-objcopy --redefine-sym ets_printf=phy_printf libphy.a
+        fi
+
+        cd ..
+    else
+        echo "$dir does not exist"
+    fi
+done;