mosquitto: use uthash from meta-oe

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#	Subject and files	Size	Replies	Applied
1/2	mosquitto: use uthash from meta-oe`meta-oe/recipes-connectivity/mosquitto/files/0002-uthash-remove-in-tree-version.patch` `meta-oe/recipes-connectivity/mosquitto/mosquitto_1.4.14.bb`	+977 -0	0 replies
2/2	mosquitto: simplify build patch`meta-oe/recipes-connectivity/mosquitto/files/0001-config.mk-allow-prefix-mandir-localedir-from-environ.patch` `meta-oe/recipes-connectivity/mosquitto/files/build.patch` `meta-oe/recipes-connectivity/mosquitto/mosquitto_1.4.14.bb`	+37 ~~-95~~	0 replies

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