BaseTools: Fix GenFds increment build bug that missing cover command option's change
Issue decription:
step 1, build platform X64
step 2, build platform IA32
step 3, build platform X64
step 4, check all ffs files for X64, the content still has IA32 in it
Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yunhua Feng <yunhuax.feng@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>
(cherry picked from commit 6735645d9c)
1fd5d06c72