[M487] Fix compile warnings with ARM toolchain

ccli8 · ccli8 · commit b31d6f6eaabe · 2017-08-03T09:24:05.000+08:00
diff --git a/targets/TARGET_NUVOTON/TARGET_M480/pwmout_api.c b/targets/TARGET_NUVOTON/TARGET_M480/pwmout_api.c
@@ -74,7 +74,6 @@ void pwmout_init(pwmout_t* obj, PinName pin)
         SYS_ResetModule(modinit->rsetidx);
     }
 
-    EPWM_T *pwm_base = (EPWM_T *) NU_MODBASE(obj->pwm);
     uint32_t chn =  NU_MODSUBINDEX(obj->pwm);
 
     // NOTE: Channels 0/1/2/3/4/5 share a clock source.

Original file line number	Diff line number	Diff line change
`@@ -74,7 +74,6 @@ void pwmout_init(pwmout_t* obj, PinName pin)`
`74`	`74`	`SYS_ResetModule(modinit->rsetidx);`
`75`	`75`	`}`
`76`	`76`
`77`		`- EPWM_T pwm_base = (EPWM_T ) NU_MODBASE(obj->pwm);`
`78`	`77`	`uint32_t chn = NU_MODSUBINDEX(obj->pwm);`
`79`	`78`
`80`	`79`	`// NOTE: Channels 0/1/2/3/4/5 share a clock source.`