README.booting.md: Update boot instructions using slirp mode

Update boot instructions using slirp mode when tap devices are not
configured.

Signed-off-by: Sandeep Gundlupet Raju <sandeep.gundlupet-raju@amd.com>
Signed-off-by: Mark Hatle <mark.hatle@amd.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/README.booting.md b/README.booting.md
index 0f96a138..a632d7f9 100644
--- a/README.booting.md
+++ b/README.booting.md
@@ -5,10 +5,22 @@ AMD Xilinx Devices support different boot modes such as JTAG, SD, eMMC, QSPI etc
 ## Booting Images with QEMU
 
 Once images are built, you can simulate the image using QEMU emulator.
+
+> **Note:** Use `slirp` option if you don't have sudo permissions and tap devices
+  are enabled on your build host.
+
+* Without slirp
 ```
 $ MACHINE=<target_mahcine_name> runqemu nographic
 ```
 
+* With slirp
+```
+$ MACHINE=<target_mahcine_name> runqemu nographic slirp
+```
+
+> **Note:** To terminate qemu, usually the command is ctrl-a x
+
 ## Booting Images with Hardware
 
 Follow booting instructions [README](docs) for more details.