Add mising report item name for -r option in documentation

HardwareInformation was added as a report item, but it has been
missing in the documentaiton.  Add missing "HardwareInformation"
report item for -r option, for completeness.

(internal: 60100f2, [SI-132])

Author: tashiro-hisashi

doc/pg_statsinfo-ja.md

@@ -678,6 +678,7 @@ enable_alert カラムで行います。デフォルト値はpg_statsinfo.enable
       - SettingParameters
       - SchemaInformation
       - Profiles
+      - HardwareInformation
       - All
 
     レポート種別IDは、頭文字からの最短一致での指定を許容し、大文字と小文字を区別しません。

doc/pg_statsinfo.md

@@ -717,6 +717,7 @@ Available options are described below,
       - SettingParameters
       - SchemaInformation
       - Profiles
+      - HardwareInformation
       - All
 
     REPORTID will be completed if it matches only one ID by case