iio: pressure: Kconfig: Delete misleading I2C reference on bmp280 title

Title entry for BMP280 called the driver an I2C implementation, when the
driver supports both I2C and SPI.

Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/d26fe292164ca80685f080101122b5beb564d7db.1676823250.git.ang.iglesiasg@gmail.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>