petitboot: Update to v1.9.1

Includes fixes for the kboot parser and a network requery corner case.

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
diff --git a/openpower/package/petitboot/petitboot.hash b/openpower/package/petitboot/petitboot.hash
index b357f1b..15dacfd 100644
--- a/openpower/package/petitboot/petitboot.hash
+++ b/openpower/package/petitboot/petitboot.hash
@@ -1 +1 @@
-sha256 85f866c861e72f7e1f73458be0f73fe6a9759fb015db237c69da0fdb001085ce  petitboot-1.9.0.tar.gz
+sha256 607551a13c286af7941fd52450106d8629b4f25e6125f5cbd67a359544b3cbe3  petitboot-1.9.1.tar.gz
diff --git a/openpower/package/petitboot/petitboot.mk b/openpower/package/petitboot/petitboot.mk
index dc1ca04..8e81094 100644
--- a/openpower/package/petitboot/petitboot.mk
+++ b/openpower/package/petitboot/petitboot.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PETITBOOT_VERSION = 1.9.0
+PETITBOOT_VERSION = 1.9.1
 PETITBOOT_SOURCE = petitboot-$(PETITBOOT_VERSION).tar.gz
 PETITBOOT_SITE ?= https://github.com/open-power/petitboot/releases/download/v$(PETITBOOT_VERSION)
 PETITBOOT_DEPENDENCIES = ncurses udev host-bison host-flex lvm2