Fix default port to irmc

Signed-off-by: Hu Shuai <[email protected]>

Author: hs0210

modules/ipi-install-bmc-addressing-for-fujitsu-irmc.adoc

@@ -33,7 +33,7 @@ For Fujitsu hardware, Red Hat supports integrated Remote Management Controller (
 
 .iRMC
 
-Fujitsu nodes can use `irmc://<out-of-band-ip>` and defaults to port `623`. The following example demonstrates an iRMC configuration within the `install-config.yaml` file.
+Fujitsu nodes can use `irmc://<out-of-band-ip>` and defaults to port `443`. The following example demonstrates an iRMC configuration within the `install-config.yaml` file.
 
 [source,yaml]
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