[dts] [PATCH V1] tests/TestSuite_iavf_fdir: fix syntax errors

[Tu, Lijuan]

> Subject: [dts] [PATCH V1] tests/TestSuite_iavf_fdir: fix syntax errors
> 
> From: "Jiang,yu" <yux.jiang at intel.com>
> 
> Fix syntax errors: there are 4 invalid black spaces
> 
> Signed-off-by: Jiang,yu <yux.jiang at intel.com>

Applied