strscpy is better choice than strcpy or strncpy to avoid any buffer underflow
or overflow issues, so, replace use of strcpy and strncpy with strscpy.
Fixes: d551647f3b ("ANDROID: firmware_loader: Add support for customer firmware paths")
Bug: 202192667
Change-Id: I0af5e9169ff21f32471a777a43716b8780acdc60
Signed-off-by: Vamsi Krishna Lanka <quic_vamslank@quicinc.com>