powerpc/configs: Add debug config fragment

Add a debug config fragment that we can use to put useful debug
options into.

It can be used like:
  # make foo_defconfig
  # make debug.config

Currently the only option included is to enable debugfs SCOM access.

Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
[mpe: Drop the special targets, just use the fragment directly]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190801045855.5822-1-ajd@linux.ibm.com
This commit is contained in:
Andrew Donnellan 2019-08-01 14:58:55 +10:00 committed by Michael Ellerman
parent 5f5d6e40a0
commit c1bc6f93f9

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CONFIG_SCOM_DEBUGFS=y