MAINTAINERS: Add myself to write after approval

2023-04-26 Patrick O'Neill <patrick@rivosinc.com>

	* MAINTAINERS: Add myself.

Signed-off-by: Patrick O'Neill <patrick@rivosinc.com>

MAINTAINERS

@@ -578,6 +578,7 @@ Dorit Nuzman					<dorit@il.ibm.com>
 David O'Brien					<obrien@FreeBSD.org>
 Carlos O'Donell					<carlos@redhat.com>
 Peter O'Gorman					<pogma@thewrittenword.com>
+Patrick O'Neill					<patrick@rivosinc.com>
 Braden Obrzut					<admin@maniacsvault.net>
 Andrea Ornstein					<andrea.ornstein@st.com>
 Maxim Ostapenko					<m.ostapenko@samsung.com>