soc/intel/apollolake: Fix logical vs. bitwise operator

src/soc/intel/apollolake/chip.c
  Apply bitwise operator instead of logical one.

Found-by: Coverity Scan
BRANCH=None
TEST=Built & booted Yorp board.

Change-Id: I36746b04dec889f53c8d7eeb3b1d8118eff1de42
Signed-off-by: John Zhao <john.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/28261
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>

src/soc/intel/apollolake/chip.c

@@ -678,7 +678,7 @@ static void configure_xhci_host_mode_port0(void)
 	cfg0 = (void *)(uintptr_t)(res->base + DUAL_ROLE_CFG0);
 	cfg1 = (void *)(uintptr_t)(res->base + DUAL_ROLE_CFG1);
 	reg = read32(cfg0);
-	if (!(reg && SW_IDPIN_EN_MASK))
+	if (!(reg & SW_IDPIN_EN_MASK))
 		return;
 
 	reg &= ~(SW_IDPIN_MASK | SW_VBUS_VALID_MASK);