rpm: Flush old logs by change the DB_CONFIG

Fixes [YOCTO #1174]

Rpm logs will grow indefinitely, so change the config to flush those old logs.

(From OE-Core rev: e2c4dff079722f256ddcab9630b5b3f8f6421cc9)

(From OE-Core rev: f235c7a320c401fea70a578186c5cf80dd597fcd)

Signed-off-by: Mei Lei <lei.mei@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/rpm/rpm/rpm-log-auto-rm.patch

@@ -0,0 +1,12 @@
+diff --git a/rpmdb/DB_CONFIG.in b/rpmdb/DB_CONFIG.in
+index 8b94c94..e0b4689 100644
+--- a/rpmdb/DB_CONFIG.in
++++ b/rpmdb/DB_CONFIG.in
+@@ -4,6 +4,7 @@ set_data_dir		.
+ set_create_dir		.
+ set_lg_dir		./log
+ set_tmp_dir		./tmp
++set_flags 		db_log_autoremove on
+ 
+ # -- thread_count must be >= 8
+ set_thread_count	64

meta/recipes-devtools/rpm/rpm_5.4.0.bb

@@ -45,11 +45,12 @@ LIC_FILES_CHKSUM = "file://COPYING.LIB;md5=2d5025d4aa3495befef8f17206a5b0a1"
 DEPENDS = "bzip2 zlib db openssl elfutils expat libpcre attr acl popt ${extrarpmdeps}"
 extrarpmdeps = "python perl"
 extrarpmdeps_virtclass-native = "file-native"
-PR = "r23"
+PR = "r24"
 
 # rpm2cpio is a shell script, which is part of the rpm src.rpm.  It is needed
 # in order to extract the distribution SRPM into a format we can extract...
 SRC_URI = "http://www.rpm5.org/files/rpm/rpm-5.4/rpm-5.4.0-0.20101229.src.rpm;extract=rpm-5.4.0.tar.gz \
+	   file://rpm-log-auto-rm.patch \
 	   file://perfile_rpmdeps.sh \
 	   file://rpm-autogen.patch \
 	   file://rpm-libsql-fix.patch \
@@ -192,6 +193,7 @@ FILES_${PN} = "${bindir}/rpm \
 		${libdir}/rpm/bin/rpmrepo \
 		${libdir}/rpm/bin/rpmspecdump \
 		${libdir}/rpm/bin/wget \
+		/var/lib/rpm \
 		"
 
 #		${libdir}/rpm/magic
@@ -208,7 +210,6 @@ FILES_${PN}-dbg += "${libdir}/rpm/.debug \
 FILES_${PN}-common = "${bindir}/rpm2cpio \
 		${bindir}/gendiff \
 		/etc/rpm \
-		/var/lib/rpm \
 		/var/spool/repackage \
 		"