net: wireless: bcmdhd: Enable dongle_isolation for PCIe/built-in type driver

b/17755061 Wi-Fi stuck in Off position

Signed-off-by: Ritter Yeh <ryeh@broadcom.com>
Signed-off-by: Iliyan Malchev <malchev@google.com>
Change-Id: I70dc1385266fe26ef3a57116e653efab03fc33cf
Signed-off-by: flar2 <asegaert@gmail.com>