package/petitboot: Update to d1712581

Fixes for issues in testing:
 - unable to establish a snapshot for devices with >2^32 blocks
 - IPMI bootdev setting is ignored
 - Set the default langauge from the setlocale() default.

Jeremy Kerr (4):
      discover: Set default language
      discover/devmapper: Use explicit 64-bit types for sector counts
      discover/ipmi: Use advisory locking on ipmi device
      discover/ipmi: Increase IPMI timeout to a reasonable value

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
diff --git a/openpower/package/petitboot/petitboot.mk b/openpower/package/petitboot/petitboot.mk
index 1a5a0ab..eec280d 100644
--- a/openpower/package/petitboot/petitboot.mk
+++ b/openpower/package/petitboot/petitboot.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PETITBOOT_VERSION = 804a112a34aed2d20021f7ae1750d8545bb0149e
+PETITBOOT_VERSION = d171258160f7ed4756531f51e66fb116753bc990
 PETITBOOT_SITE = git://github.com/open-power/petitboot.git
 PETITBOOT_DEPENDENCIES = ncurses udev host-bison host-flex lvm2
 PETITBOOT_LICENSE = GPLv2