meta-phosphor: Add nholmann json depends

(From meta-phosphor rev: 0b94fef7630038920e007d81fd655bd6c89f3a1e)

Change-Id: Idd80228f2e26fb017802482d19a3de7afb2f76c3
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/recipes-phosphor/fans/phosphor-fan_git.bb b/meta-phosphor/recipes-phosphor/fans/phosphor-fan_git.bb
index e7c557a..ccb6989 100644
--- a/meta-phosphor/recipes-phosphor/fans/phosphor-fan_git.bb
+++ b/meta-phosphor/recipes-phosphor/fans/phosphor-fan_git.bb
@@ -22,6 +22,7 @@
 DEPENDS += "gpioplus"
 DEPENDS += "phosphor-logging"
 DEPENDS += "libevdev"
+DEPENDS += "nlohmann-json"
 
 # Package configuration
 FAN_PACKAGES = " \