Add README

README.md

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+WHAT IS THIS?
+=============
+
+Linux Kernel source code for the devices:
+* bq aquaris M10 4G
+
+
+BUILD INSTRUCTIONS?
+===================
+
+Specific sources are separated by releases with it's corresponding number. First, you should
+clone the project:
+
+        $ git clone https://github.com/bq/aquaris-M10-4G.git 
+
+After it, choose the release you would like to build:
+
+*Aquaris M10 4G*
+
+        $ mv aquaris-M10-4G kernel
+        $ cd kernel
+        $ git checkout tags/{release}
+
+At the same level of the "kernel" directory:
+
+Download a prebuilt gcc
+
+        $ git clone https://android.googlesource.com/platform/prebuilts/gcc/linux-x86/aarch64/aarch64-linux-android-4.9 -b marshmallow-release 
+
+Create KERNEL_OUT dir:
+
+        $ mkdir KERNEL_OUT 
+  
+Your directory tree should look like this:
+* kernel
+* aarch64-linux-android-4.9
+* KERNEL_OUT
+
+Finally, build the kernel according the next table of product names:
+
+| device                    | product                 |
+| --------------------------|-------------------------|
+| bq aquaris M10 4G         | bq_aquaris_m10_LTE      |
+
+
+        $ make -C kernel  O=../KERNEL_OUT  ARCH=arm64 CROSS_COMPILE=../aarch64-linux-android-4.9/bin/aarch64-linux-android- {product}_defconfig
+        $ make O=../KERNEL_OUT/ -C kernel ARCH=arm64  CROSS_COMPILE=../aarch64-linux-android-4.9/bin/aarch64-linux-android-
+    
+You can specify "-j CORES" argument to speed-up your compilation, example:
+
+        $ make O=../KERNEL_OUT/ -C kernel ARCH=arm64  CROSS_COMPILE=../aarch64-linux-android-4.9/bin/aarch64-linux-android- -j 8