i2cdev: Fix MUSL build

Building the recipe with MUSL fails, because it uses error.h which isn't
supported by MUSL. Because the usage is only in one expression, it's easy to
rewrite this.

Signed-off-by: Jörg Sommer <joerg.sommer@navimatix.de>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-bsp/i2cdev/i2cdev_git.bb

@@ -17,6 +17,7 @@ PR = "git${SRCPV}"
 SRC_URI = "\
     git://github.com/costad2/i2cdev.git;protocol=https;branch=master \
     file://fix-lsi2c-makefile.patch \
+    file://fix-musl.patch \
 "
 SRCREV = "ed9ad777d842880e7ac6ca5e0de4bd2d3b4d02dc"