arch/powerpc: drop GENERIC_PTDUMP from mpc885_ads_defconfig

BugLink: https://bugs.launchpad.net/bugs/2107212

[ Upstream commit 2c5e6ac ]

GENERIC_PTDUMP gets selected on powerpc explicitly and hence can be
dropped off from mpc885_ads_defconfig.  Replace with CONFIG_PTDUMP_DEBUGFS
instead.

Link: https://lkml.kernel.org/r/[email protected]
Fixes: e084728 ("powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP")
Signed-off-by: Anshuman Khandual <[email protected]>
Suggested-by: Christophe Leroy <[email protected]>
Reviewed-by: Christophe Leroy <[email protected]>
Cc: Madhavan Srinivasan <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Palmer Dabbelt <[email protected]>
Cc: Paul Walmsley <[email protected]>
Cc: Steven Price <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Vasily Gorbik <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Manuel Diewald <[email protected]>
Signed-off-by: Timo Aaltonen <[email protected]>

Author: Anshuman Khandual

arch/powerpc/configs/mpc885_ads_defconfig

@@ -78,4 +78,4 @@ CONFIG_DEBUG_VM_PGTABLE=y
 CONFIG_DETECT_HUNG_TASK=y
 CONFIG_BDI_SWITCH=y
 CONFIG_PPC_EARLY_DEBUG=y
-CONFIG_GENERIC_PTDUMP=y
+CONFIG_PTDUMP_DEBUGFS=y