meta-inventec: fix shellcheck warnings

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I7fc268677fed98626d682f2d9f4e1b091449f6e4
diff --git a/meta-inventec/meta-transformers/recipes-phosphor/init/transformers-init/transformers-init.sh b/meta-inventec/meta-transformers/recipes-phosphor/init/transformers-init/transformers-init.sh
index 669a399..3560033 100644
--- a/meta-inventec/meta-transformers/recipes-phosphor/init/transformers-init/transformers-init.sh
+++ b/meta-inventec/meta-transformers/recipes-phosphor/init/transformers-init/transformers-init.sh
@@ -2,7 +2,9 @@
 
 # Init GPIO setting
 
-gpioset `gpiofind BMC_READY`=0
-echo BMC ready !!
-gpioset `gpiofind RST_BMC_SGPIO`=1
-echo Release reset SGPIO !!
+# shellcheck disable=SC2046
+gpioset $(gpiofind BMC_READY)=0
+echo "BMC ready !!"
+# shellcheck disable=SC2046
+gpioset $(gpiofind RST_BMC_SGPIO)=1
+echo "Release reset SGPIO !!"