feat(libs): add libjpeg-turbo decoder (#4567)

Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>

examples/libs/libjpeg_turbo/index.rst

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+Load an JPG image
+-----------------
+
+.. lv_example:: libs/libjpeg_turbo/lv_example_libjpeg_turbo_1
+  :language: c
+

examples/libs/libjpeg_turbo/lv_example_libjpeg_turbo.h

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+/**
+ * @file lv_example_libjpeg_turbo.h
+ *
+ */
+
+#ifndef LV_EXAMPLE_LIBJPEG_TURBO_H
+#define LV_EXAMPLE_LIBJPEG_TURBO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+void lv_example_libjpeg_turbo_1(void);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_EXAMPLE_LIBJPEG_TURBO_H*/

examples/libs/libjpeg_turbo/lv_example_libjpeg_turbo_1.c

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+#include "../../lv_examples.h"
+#if LV_USE_LIBJPEG_TURBO && LV_BUILD_EXAMPLES
+
+/**
+ * Load a JPG image
+ */
+void lv_example_libjpeg_turbo_1(void)
+{
+    lv_obj_t * wp;
+
+    wp = lv_image_create(lv_scr_act());
+    /* Assuming a File system is attached to letter 'A'
+     * E.g. set LV_USE_FS_STDIO 'A' in lv_conf.h */
+    lv_image_set_src(wp, "A:lvgl/examples/libs/libjpeg_turbo/flower.jpg");
+    lv_obj_center(wp);
+}
+
+#endif

examples/libs/libjpeg_turbo/lv_example_libjpeg_turbo_1.py

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+#!/opt/bin/lv_micropython -i
+import lvgl as lv
+import display_driver
+import fs_driver
+
+fs_drv = lv.fs_drv_t()
+fs_driver.fs_register(fs_drv, 'S')
+
+wp = lv.image(lv.scr_act())
+# The File system is attached to letter 'S'
+
+wp.set_src("S:flower.jpg")
+wp.center()