bsps/zynq: Moved general i2c files to shared directories

Certain files related to the Zynq BSP's I2C driver are useable by the ZynqMP BSP as well.
Moved these files to shared directory in anticipation of I2C support for ZynqMP.

bsps/shared/dev/i2c/cadence-i2c.c

@@ -25,8 +25,8 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <bsp/cadence-i2c.h>
+#include <dev/i2c/cadence-i2c.h>
-#include <bsp/cadence-i2c-regs.h>
+#include <dev/i2c/cadence-i2c-regs.h>
 
 #include <rtems/irq-extension.h>
 #include <rtems/score/assert.h>

spec/build/bsps/arm/xilinx-zynq/obj.yml

@@ -14,8 +14,8 @@ install:
   - bsps/arm/xilinx-zynq/include/tm27.h
 - destination: ${BSP_INCLUDEDIR}/bsp
   source:
-  - bsps/arm/xilinx-zynq/include/bsp/cadence-i2c-regs.h
+  - bsps/include/dev/i2c/cadence-i2c-regs.h
-  - bsps/arm/xilinx-zynq/include/bsp/cadence-i2c.h
+  - bsps/include/dev/i2c/cadence-i2c.h
   - bsps/arm/xilinx-zynq/include/bsp/i2c.h
   - bsps/arm/xilinx-zynq/include/bsp/irq.h
 links: []
@@ -28,7 +28,7 @@ source:
 - bsps/arm/xilinx-zynq/console/console-config.c
 - bsps/arm/xilinx-zynq/console/console-init.c
 - bsps/arm/xilinx-zynq/console/debug-console.c
-- bsps/arm/xilinx-zynq/i2c/cadence-i2c.c
+- bsps/shared/dev/i2c/cadence-i2c.c
 - bsps/arm/xilinx-zynq/start/bspreset.c
 - bsps/arm/xilinx-zynq/start/bspstart.c
 - bsps/arm/xilinx-zynq/start/bspstarthooks.c