feat(draw): add unified NEON acceleration (#4860)

Signed-off-by: Peter Bee <bijunda1@xiaomi.com>
Co-authored-by: Gabor Kiss-Vamosi <kisvegabor@gmail.com>

scripts/lv_conf_internal_gen.py

@@ -150,15 +150,19 @@ fout.write(
  * End of parsing lv_conf_template.h
  -----------------------------------*/
 
+#ifndef __ASSEMBLY__
 LV_EXPORT_CONST_INT(LV_DPI_DEF);
+#endif
 
 #undef _LV_KCONFIG_PRESENT
 
+#ifndef __ASSEMBLY__
 #if LV_USE_FLOAT
     typedef float lv_value_precise_t;
 #else
     typedef int32_t lv_value_precise_t;
 #endif
+#endif
 
 /*Set some defines if a dependency is disabled*/
 #if LV_USE_LOG == 0