Documentation/Intel: Add more Galileo Gen2 links

Add datasheet links for the components supporting GPIO.  This includes
I2C I/O ports, I2C PWMs, bus buffers and multiplexers.

TEST=None

Change-Id: I0a1d222d6f9bdbd824b78edf2338cd797e83ebba
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/14114
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/Documentation/Intel/Board/galileo.html b/Documentation/Intel/Board/galileo.html
index 1cc77dc..3ed6672 100644
--- a/Documentation/Intel/Board/galileo.html
+++ b/Documentation/Intel/Board/galileo.html
@@ -57,7 +57,13 @@
   <li>Components
     <ul>
       <li>A/D: Texas Instruments <a target="_blank" href="http://www.ti.com/lit/ds/symlink/adc108s102.pdf">ADC108S102</a></li>
+      <li>I2C 16-channel, 12-bit PWM: NXP Semiconductors <a target="_blank" href="http://cache.nxp.com/documents/data_sheet/PCA9685.pdf">PCA9685</a></li>
+      <li>I2C I/O Ports: NXP Semiconductors <a target="_blank" href="http://www.nxp.com/documents/data_sheet/PCAL9535A.pdf">PCAL9535A</a></li>
+      <li>Octal Buffer/Driver: Texas Instruments <a target="_blank" href="http://www.ti.com/lit/ds/symlink/sn74lv541at.pdf">SN74LV541AT</a></li>
+      <li>Quadruple Bus Buffer: Texas Instruments <a target="_blank" href="http://www.ti.com/lit/ds/symlink/sn74lv125a.pdf">SN74LV125A</a></li>
+      <li>Quadruple Bus Buffer with 3-State Outputs: Texas Instruments <a target="_blank" href="http://www.ti.com/lit/ds/symlink/sn74lvc126a.pdf">SN74LVC126A</a></li>
       <li>Serial EEPROM (1 KiB): ON Semiconductor&reg; <a target="_blank" href="http://www.onsemi.com/pub_link/Collateral/CAT24C01-D.PDF">CAT24C08</a></li>
+      <li>Single 2-input multiplexer: NXP Semiconductors <a target="_blank" href="http://www.nxp.com/documents/data_sheet/74LVC1G157.pdf">74LVC1G157</a></li>
       <li>Step Down Converter: Texas Instruments <a target="_blank" href="http://www.ti.com/lit/ds/slvsag7c/slvsag7c.pdf">TPS62130</a></li>
     </ul>
   </li>