[PATCH] SecurityPkg: Tcg2Dxe: Measure BootOrder, Boot#### to PCR[1]

["Zhang, Chao B" <chao.b.zhang@intel.com>]

Measure BootOrder, Boot#### to PCR[1] according to TCG PC-Client PFP Spec
00.21 Section 2.4.4.2
http://www.trustedcomputinggroup.org/wp-content/uploads/PC-ClientSpecific_Platform_Profile_for_TPM_2p0_Systems_v21.pdf

Cc: Star Zeng <star.zeng@intel.com>
Cc: Yao Jiewen <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
---
 SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
index 79d614c..1d2ac9a 100644
--- a/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
+++ b/SecurityPkg/Tcg/Tcg2Dxe/Tcg2Dxe.c
@@ -1982,7 +1982,8 @@ ReadAndMeasureVariable (
 }
 
 /**
-  Read then Measure and log an EFI boot variable, and extend the measurement result into PCR[5].
+  Read then Measure and log an EFI boot variable, and extend the measurement result into PCR[1].
+according to TCG PC Client PFP spec 0021 Section 2.4.4.2
 
   @param[in]   VarName          A Null-terminated string that is the name of the vendor's variable.
   @param[in]   VendorGuid       A unique identifier for the vendor.
@@ -2003,7 +2004,7 @@ ReadAndMeasureBootVariable (
   )
 {
   return ReadAndMeasureVariable (
-           5,
+           1,
            EV_EFI_VARIABLE_BOOT,
            VarName,
            VendorGuid,
-- 
1.9.5.msysgit.1