* [renesas/ra2l1-cpk] add Captouch板载触摸按键配置说明.md

* Update Captouch板载触摸按键配置说明.md

* [renesas/drv_wdt.c] Fix error code issues
[renesas/drv_i2c.c] add hardware i2c driver

* [update] drv_wdt.c,drv_i2c.c
Co-authored-by: Man, Jianting (Meco) <920369182@qq.com>