Correct help information for Delete Boot option and Change boot option.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9666 6f19259b-4bc3-4df7-8a09-765794883524

IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/Bm.vfr

@@ -105,13 +105,13 @@ formset
 
        goto FORM_BOOT_DEL_ID,
             prompt = STRING_TOKEN(STR_FORM_BOOT_DEL_TITLE),
-            help = STRING_TOKEN(STR_FORM_NEXT_BOOT_HELP),
+            help = STRING_TOKEN(STR_FORM_BOOT_IMMEDIATE_HELP),
             flags = INTERACTIVE,
             key = FORM_BOOT_DEL_ID;
 
        goto FORM_BOOT_CHG_ID,
             prompt = STRING_TOKEN(STR_FORM_BOOT_CHG_TITLE),
-            help = STRING_TOKEN(STR_FORM_NEXT_BOOT_HELP),
+            help = STRING_TOKEN(STR_FORM_BOOT_IMMEDIATE_HELP),
             flags = INTERACTIVE,
             key = FORM_BOOT_CHG_ID;