[OE-core] [PATCHv2] image_types: Fix bmaptool support for RSS

[Tom Rini]

With RSS we need to ensure that when making a bmap image that the
python3 that we created is found via /usr/bin/env rather than the host
python3.  Otherwise we're relying on the build host to have bmaptool
support installed.

Signed-off-by: Tom Rini <trini at konsulko.com>
---
Changes in v2:
- Switch to checking for '.bmap' not 'bmap', per Ed Bartosh.
---
 meta/classes/image_types.bbclass | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 61dca626311e..b373b217145f 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -311,3 +311,6 @@ DEPLOYABLE_IMAGE_TYPES ?= "hddimg iso"
 # The IMAGE_TYPES_MASKED variable will be used to mask out from the IMAGE_FSTYPES,
 # images that will not be built at do_rootfs time: vmdk, vdi, qcow2, hdddirect, hddimg, iso, etc.
 IMAGE_TYPES_MASKED ?= ""
+
+# bmap requires python3 to be in the PATH
+EXTRANATIVEPATH += "${@'python3-native' if d.getVar('IMAGE_FSTYPES').find('.bmap') else ''}"
-- 
1.9.1