rtl8723au: Replace typedef for PS_T

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8723au: Replace typedef for rtl8192cd_priv

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8723au: Replace typedef for DIG_T

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8723au: Replace typedef for PFALSE_ALARM_STATISTICS

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
rtl8723au: Remove typedef for Pri_CCA_T

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>