[PATCH] ShellPkg/UefiShellAcpiViewCommandLib: Change the note in uni

[Zhichao Gao <zhichao.gao@intel.com>]

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1146

Add DSDT and SSDT description in the help information. Depend
on the implement of UefiShellAcpiViewCommandLib, the "acpiview"
command support to show all present type in the system not only
support the listed type in the help information. So change the
help information of this command.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Jaben Carsey <jaben.carsey@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
---
 .../UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.uni   | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.uni b/ShellPkg/Library/UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.uni
index 0762eeba53..f2a2400b91 100644
--- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.uni
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.uni
@@ -74,10 +74,15 @@
 "  1. The AcpiTable parameter can match any installed table type.\r\n"
 "     Tables without specific handling will be displayed as a raw hex dump (or\r\n"
 "     dumped to a file if -d is used).\r\n"
-"  2. Formatted display and checking is provided for these signature types:\r\n"
+"  2. -s option supports to display the specified AcpiTable type that is present\r\n"
+"     in the system. For normal type AcpiTable, it would display the data of the\r\n"
+"     AcpiTable and AcpiTable header. The following type may contain header type\r\n"
+"     other than AcpiTable header. The acual header can refer to the ACPI spec 6.2\r\n"
+"     Extra A. Particual types:\r\n"
 "       APIC  - Multiple APIC Description Table (MADT)\r\n"
 "       BGRT  - Boot Graphics Resource Table\r\n"
 "       DBG2  - Debug Port Table 2\r\n"
+"       DSDT  - Differentiated System Description Table\r\n"
 "       FACP  - Fixed ACPI Description Table (FADT)\r\n"
 "       GTDT  - Generic Timer Description Table\r\n"
 "       IORT  - IO Remapping Table\r\n"
@@ -87,6 +92,7 @@
 "       SLIT  - System Locality Information Table\r\n"
 "       SPCR  - Serial Port Console Redirection Table\r\n"
 "       SRAT  - System Resource Affinity Table\r\n"
+"       SSDT  - Secondary SystemDescription Table\r\n"
 "       XSDT  - Extended System Description Table\r\n"
 " \r\n"
 ".SH STANDARDS\r\n"
-- 
2.16.2.windows.1