Add DS1307 to architecture document

Align hbios.inc RTC clock codes to match architecture document

Source/Doc/Architecture.md

@@ -984,6 +984,7 @@ etc.) which is identified by a device type id from the table below.
 0x10        | BQ4845P
 0x20        | SIMH
 0x30        | System Periodic Timer
+0x40        | DS1307 (I2C)
 
 `\clearpage`{=latex}
 

Source/HBIOS/hbios.inc

@@ -188,9 +188,9 @@ DIODEV_HDSK	.EQU	$90
 ;
 RTCDEV_DS	.EQU	$00		; DS1302
 RTCDEV_BQ	.EQU	$10		; BQ4845P
-RTCDEV_SIMH	.EQU	$30		; SIMH
-RTCDEV_INT	.EQU	$40		; PERIODIC INT TIMER
-RTCDEV_DS7	.EQU	$50		; DS1302 (I2C)
+RTCDEV_SIMH	.EQU	$20		; SIMH
+RTCDEV_INT	.EQU	$30		; PERIODIC INT TIMER
+RTCDEV_DS7	.EQU	$40		; DS1302 (I2C)
 ;
 ; VIDEO DEVICE IDS
 ;