schematics: change RTC PCF8523 -> MCP7940NT

power.bak

@@ -1763,6 +1763,7 @@ F 0 "RP2" H 10700 4380 50  0000 C CNN
 F 1 "0" H 10700 4250 50  0000 C CNN
 F 2 "jumper:R_0805_2012Metric_Pad1.29x1.40mm_HandSolder_Jumper_NC" H 10700 4300 50  0001 C CNN
 F 3 "" H 10700 4300 50  0001 C CNN
+F 4 "Leave empty" H 10700 4300 50  0001 C CNN "Note"
 	1    10700 4300
 	1    0    0    -1  
 $EndComp
@@ -1774,6 +1775,7 @@ F 0 "RP3" H 10700 5580 50  0000 C CNN
 F 1 "0" H 10700 5450 50  0000 C CNN
 F 2 "jumper:R_0805_2012Metric_Pad1.29x1.40mm_HandSolder_Jumper_NC" H 10700 5500 50  0001 C CNN
 F 3 "" H 10700 5500 50  0001 C CNN
+F 4 "Leave empty" H 10700 5500 50  0001 C CNN "Note"
 	1    10700 5500
 	1    0    0    -1  
 $EndComp

power.sch

@@ -528,7 +528,7 @@ P 1950 3650
 AR Path="/58D70684" Ref="U7"  Part="1" 
 AR Path="/58D51CAD/58D70684" Ref="U7"  Part="1" 
 F 0 "U7" H 1650 4000 50  0000 L CNN
-F 1 "PCF8523" H 2050 4000 50  0000 L CNN
+F 1 "MCP7940NT" H 2050 4000 50  0000 L CNN
 F 2 "SOT96-1:SOT96-1" H 1950 3650 50  0001 C CNN
 F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf" H 1950 3650 50  0001 C CNN
 F 4 "http://ww1.microchip.com/downloads/en/DeviceDoc/MCP7940N%20Errata_DS80000611C.pdf" H 1950 3650 50  0001 C CNN "Datasheet_errata"