dt-bindings: rtc: add ABEOZ9

Add ABEOZ9 to the list of trivial RTCs

Signed-off-by: Artem Panfilov <panfilov.artyom@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
diff --git a/Documentation/devicetree/bindings/rtc/rtc.txt b/Documentation/devicetree/bindings/rtc/rtc.txt
index 3e6a215..fc79d71 100644
--- a/Documentation/devicetree/bindings/rtc/rtc.txt
+++ b/Documentation/devicetree/bindings/rtc/rtc.txt
@@ -43,6 +43,7 @@
 Compatible		Vendor / Chip
 ==========		=============
 abracon,abb5zes3	AB-RTCMC-32.768kHz-B5ZE-S3: Real Time Clock/Calendar Module with I2C Interface
+abracon,abeoz9		AB-RTCMC-32.768kHz-EOZ9: Real Time Clock/Calendar Module with I2C Interface
 dallas,ds1374		I2C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output
 dallas,ds1672		Dallas DS1672 Real-time Clock
 dallas,ds3232		Extremely Accurate I²C RTC with Integrated Crystal and SRAM