INT 15 - APM SL Enhanced v1.0 - GET CALENDAR EVENT TIME

	AX = 5380h
	BH = 08h
Return: CF clear if successful
	    CH = hours
	    CL = minutes
	    SI = seconds
	CF set on error
	    AH = error code (see #00483)
Desc:	gets calendar event time from CMOS ram
SeeAlso: AX=5380h/BH=06h,AX=5380h/BH=09h,AX=5380h/BH=0Ah,AX=5380h/BH=7Fh