ARM: dts: aspeed: everest: Label reset-cause-pinhole GPIO

This GPIO is used on the everest system to indicate the BMC was reset
due to a physical pinhole reset.

It has been verified that the previous name for this pin has not been
utilized by userspace so the name change is ok.

See the following doc for more information:
https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.mdSigned-off-by: Andrew Geissler <geissonator@yahoo.com>
Link: https://lore.kernel.org/r/20220113211735.37861-2-geissonator@yahoo.comSigned-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts

@@ -270,7 +270,7 @@ &gpio0 {
 	/*D0-D7*/	"","","","","","","","",
 	/*E0-E7*/	"","","","","","","","",
 	/*F0-F7*/	"PIN_HOLE_RESET_IN_N","","",
-				"PIN_HOLE_RESET_OUT_N","","",
+				"reset-cause-pinhole","","",
 				"factory-reset-toggle","",
 	/*G0-G7*/	"","","","","","","","",
 	/*H0-H7*/	"led-rtc-battery","led-bmc","led-rear-enc-id0","led-rear-enc-fault0","","","","",