[FE training-materials-updates] Minor fix

[Michael Opdenacker]

Repository : git://git.free-electrons.com/training-materials.git
On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=7b3c06b56c91a870f106692ed9fdfe70e8c5e6b7

>---------------------------------------------------------------

commit 7b3c06b56c91a870f106692ed9fdfe70e8c5e6b7
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Fri Mar 25 11:53:22 2016 +0100

    Minor fix
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


>---------------------------------------------------------------

7b3c06b56c91a870f106692ed9fdfe70e8c5e6b7
 labs/kernel-serial-interrupt/kernel-serial-interrupt.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/labs/kernel-serial-interrupt/kernel-serial-interrupt.tex b/labs/kernel-serial-interrupt/kernel-serial-interrupt.tex
index e8b580c..369f29d 100644
--- a/labs/kernel-serial-interrupt/kernel-serial-interrupt.tex
+++ b/labs/kernel-serial-interrupt/kernel-serial-interrupt.tex
@@ -41,7 +41,7 @@ struct feserial_dev {
 };
 \end{verbatim}
 
-Now, to retrieve the IRQ number to be used with \code{request_irq()}:
+Now, to retrieve the IRQ number to be used with \code{devm_request_irq()}:
 
 \begin{verbatim}
 dev->irq = platform_get_irq(pdev, 0);