IntelFsp2Pkg: Fix various typos

Fix various typos in IntelFsp2Pkg.

Signed-off-by: Cœur <coeur@gmx.fr>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Chasel Chiu <chasel.chiu@intel.com>

IntelFsp2Pkg/Tools/UserManuals/GenCfgOptUserManual.md

@@ -213,7 +213,7 @@ in the third.
 ```@Bsf NAME:{Variable 1} TYPE:{Combo}```
 
 There is a special **None** type that puts the variable in the **StructDef**
-region of the BSF, but doesn?t put it in any **Page** section. This makes the
+region of the BSF, but doesn't put it in any **Page** section. This makes the
 variable visible to BCT, but not to the end user.
 
 ###HELP