ARM: dts: aspeed: tacoma: Add TPM reset GPIO

The GPIO is used to place the BMC-connected TPM in reset.

The net is called BMC_TPM_RST_N on Tacoma.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Link: https://lore.kernel.org/r/20210727033319.473152-3-joel@jms.id.au

arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts

@@ -126,7 +126,7 @@
 	/*M0-M7*/	"","","","","","","","",
 	/*N0-N7*/	"","","","","","","","",
 	/*O0-O7*/	"led-rear-power","led-rear-id","","usb-power","","","","",
-	/*P0-P7*/	"","","","","","","","",
+	/*P0-P7*/	"","","","","","bmc-tpm-reset","","",
 	/*Q0-Q7*/	"cfam-reset","","","","","","","fsi-routing",
 	/*R0-R7*/	"","","","","","","","",
 	/*S0-S7*/	"","","","","","","","",