Remove executable permissions for config file

The configuration files not supposed to have executable
permissions in linux.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: I128b66d6dc20f172fab96cfa6e637d5df974e1ca
diff --git a/oem/ibm/configurations/fileTable.json b/oem/ibm/configurations/fileTable.json
old mode 100755
new mode 100644