chore(widgets): fix typo (#6369)

Signed-off-by: lhdjply <lhdjply@126.com>

src/widgets/keyboard/lv_keyboard.h

@@ -23,7 +23,7 @@ extern "C" {
 #endif
 
 #if LV_USE_TEXTAREA == 0
-#error "lv_textare is required. Enable it in lv_conf.h (LV_USE_TEXTAREA  1) "
+#error "lv_textarea is required. Enable it in lv_conf.h (LV_USE_TEXTAREA  1) "
 #endif
 
 /*********************

src/widgets/roller/lv_roller.h

@@ -107,7 +107,7 @@ uint32_t lv_roller_get_selected(const lv_obj_t * obj);
 
 /**
  * Get the current selected option as a string.
- * @param obj       pointer to ddlist object
+ * @param obj       pointer to roller object
  * @param buf       pointer to an array to store the string
  * @param buf_size  size of `buf` in bytes. 0: to ignore it.
  */

src/widgets/tabview/lv_tabview.h

@@ -93,7 +93,7 @@ uint32_t lv_tabview_get_tab_count(lv_obj_t * obj);
 /**
  * Get the current tab's index
  * @param obj       pointer to a tabview widget
- * @return          the zero based indoex of the current tab
+ * @return          the zero based index of the current tab
  */
 uint32_t lv_tabview_get_tab_active(lv_obj_t * obj);
 
@@ -107,7 +107,7 @@ lv_obj_t * lv_tabview_get_content(lv_obj_t * obj);
 /**
  * Get the tab bar where the buttons are created
  * @param obj       pointer to a tabview widget
- * @return          the tabbar
+ * @return          the tab bar
  */
 lv_obj_t * lv_tabview_get_tab_bar(lv_obj_t * obj);