mcbsp: example: rename example project name to contain "C66"

pdkProjectCreate script now supports both DSP and ARM projects, the DSP
project name need to contain "C66" for the updated script to create the
project properly.

Signed-off-by: Hao Zhang <hzhang@ti.com>

diff --git a/example/c674x/MCBSPDigLpbk/MCBSP_DigLpbkExampleProject.txt b/example/c674x/MCBSPDigLpbk/MCBSP_DigLpbkC66ExampleProject.txt
similarity index 100%
rename from example/c674x/MCBSPDigLpbk/MCBSP_DigLpbkExampleProject.txt
rename to example/c674x/MCBSPDigLpbk/MCBSP_DigLpbkC66ExampleProject.txt

diff --git a/example/k2g/MCBSPDigLpbk/MCBSP_DigLpbkExampleProject.txt b/example/k2g/MCBSPDigLpbk/MCBSP_DigLpbkC66ExampleProject.txt
similarity index 100%
rename from example/k2g/MCBSPDigLpbk/MCBSP_DigLpbkExampleProject.txt
rename to example/k2g/MCBSPDigLpbk/MCBSP_DigLpbkC66ExampleProject.txt