package/tpm2-abrmd: install D-Bus policy to /usr/share, not /etc

Default policies should go to /usr/share, /etc should be used to
override them locally if needed.

Signed-off-by: Fiona Klute (WIWA) <fiona.klute@gmx.de>
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/tpm2-abrmd/tpm2-abrmd.mk

@@ -14,7 +14,8 @@ TPM2_ABRMD_DEPENDENCIES = libglib2 tpm2-tss host-pkgconf
 TPM2_ABRMD_CONF_OPTS = \
 	--disable-defaultflags \
 	--with-systemdsystemunitdir=$(if $(BR2_INIT_SYSTEMD),/usr/lib/systemd/system,no) \
-	--with-udevrulesdir=$(if $(BR2_PACKAGE_HAS_UDEV),/usr/lib/udev/rules.d,no)
+	--with-udevrulesdir=$(if $(BR2_PACKAGE_HAS_UDEV),/usr/lib/udev/rules.d,no) \
+	--with-dbuspolicydir=/usr/share/dbus-1/system.d
 
 # uses C99 code but forgets to pass -std=c99 when --disable-defaultflags is used
 TPM2_ABRMD_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -std=c99"