Expand the INSTALL instructions

Add some of the less obvious package, TPM, and TSS prerequisites.

autoreconf -i is required before ./configure

Signed-off-by: Ken Goldman <kgoldman@us.ibm.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>

INSTALL

@@ -9,10 +9,33 @@ are permitted in any medium without royalty provided the copyright
 notice and this notice are preserved.  This file is offered as-is,
 without warranty of any kind.
 
+Prerequisites
+=============
+
+This project has the following prerequisites:
+
+(Ubuntu package names)
+	libkeyutils-dev
+	libtasn1-dev
+	libgmp-dev
+	libnspr4-dev
+	libnss3-dev
+
+These software TPMs are supported:
+      https://sourceforge.net/projects/ibmswtpm2/
+      https://github.com/stefanberger/swtpm
+
+      swtpm depends upon
+      https://github.com/stefanberger/libtpms
+
+Supported TSSes include these.  Both are included in some distros.
+	  IBM TSS https://sourceforge.net/projects/ibmtpm20tss/
+	  Intel TSS
+
 Basic Installation
 ==================
 
-   Briefly, the shell commands `./configure; make; make install' should
+   Briefly, the shell commands `autoreconf -i; ./configure; make; make install' should
 configure, build, and install this package.  The following
 more-detailed instructions are generic; see the `README' file for
 instructions specific to this package.  Some packages provide this
@@ -51,7 +74,7 @@ of `autoconf'.
    The simplest way to compile this package is:
 
   1. `cd' to the directory containing the package's source code and type
-     `./configure' to configure the package for your system.
+     `autoreconf -i' and then `./configure' to configure the package for your system.
 
      Running `configure' might take a while.  While running, it prints
      some messages telling which features it is checking for.