post_code: add post code for hardware initialization failure

Add a new post code POST_HW_INIT_FAILURE, used when coreboot fails to
detect or initialize a required hardware component.

BUG=b:124401932
BRANCH=sarien
TEST=build coreboot for sarien and arcada platforms

Change-Id: I73820d24b3e1c269d9d446a78ef4f97e167e3552
Signed-off-by: Keith Short <keithshort@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32774
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

src/soc/intel/quark/i2c.c

@@ -38,7 +38,8 @@ static void i2c_disable(I2C_REGS *regs)
 	while (status & IC_ENABLE_CONTROLLER) {
 		udelay(1);
 		if (--timeout == 0)
-			die("ERROR - I2C failed to disable!\n");
+			die_with_post_code(POST_HW_INIT_FAILURE,
+					   "ERROR - I2C failed to disable!\n");
 		status = regs->ic_enable_status;
 	}