Bootstrap Carousel WordPress Theme Customizer (Upload Image)

sample-customizer-section02.php

$wp_customize->add_setting( 'theme_slug_slide_img_upload_one' );
$wp_customize->add_control( new WP_Customize_Image_Control( $wp_customize,'theme_slug_slide_img_upload_one', array(
       'label'       => __( 'Upload image for first slide in sequence:', 'theme_slug' ),
       'section'     => 'home_slide_img_one',
       'settings'    => 'theme_slug_slide_img_upload_one',
       'description' => 'Upload your first slider image here.'
)));