system-info: fix "Could not mount factory image"
On TOS 6.0, diagnostics tried to mount factory image at
/dev/mmcblk1p1
, which worked fine on TOS 5.4.
However on TOS 6.0, there is no /dev/mmcblk1
. SD card is
recognized as /dev/mmcblk0
instead.
Closes: #38 (closed)