[PATCH] fix grub-probe fail on by-(id|uuid|path) device names

[Michael Chang]

This patch fixes grub-probe fails on probing devices under
/dev/disk/by-id and other similar mount-by alias names. The method
used to determine the whole disk is by it's name without numeric
character end, but this may be wrong for the by-(id|uuid|path) names
as they are not necessary ended without numeric character. For
instance, my disk was named
"/dev/disk/by-id/ata-WDC_WD1600BEKT-60V5T1_WD-WXK0A69Y4761".

The fix is use resolved link to kernel device names (like /dev/sda)
instead of these alias names.

Downstream bug:
https://bugzilla.novell.com/show_bug.cgi?id=757746

use_kernel_device_name_in_device_is_wholedisk.patch
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