Correct typos in comments and documentation

Author: per1234

examples/CameraCaptureRawBytes/CameraCaptureRawBytes.ino

@@ -2,7 +2,7 @@
   OV767X - Camera Capture Raw Bytes
 
   This sketch reads a frame from the OmniVision OV7670 camera
-  and writes the bytes to the Serial port. Use the Procesing
+  and writes the bytes to the Serial port. Use the Processing
   sketch in the extras folder to visualize the camera output.
 
   Circuit:

src/OV767X.cpp

@@ -210,7 +210,7 @@ int OV767X::bytesPerPixel() const
 // Optimized Data Reading Explanation:
 //
 // In order to keep up with the data rate of 5 FPS, the inner loop that reads
-// data from the camera board needs to be as quick as possible. The 64Mhz ARM
+// data from the camera board needs to be as quick as possible. The 64 Mhz ARM
 // Cortex-M4 in the Nano 33 would not be able to keep up if we read each bit
 // one at a time from the various GPIO pins and combined them into a byte.
 // Instead, we chose specific GPIO pins which all occupy a single GPIO "PORT"